Version 0.6.1

Generated with poetry export:

    $ poetry export --without-hashes -f requirements.txt > requirements.txt
    $ poetry export --without-hashes --with dev -f requirements.txt > requirements-dev.txt

I am trying `--without-hashes` to work around an error on pip install
when running in CI:

    ERROR: In --require-hashes mode, all requirements must have their versions pinned with ==

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## [0.6.1] - 2023-02-23
 ### Fixed
 - Missing region check should ignore subregion field, if it exists
 
@@ -12,6 +12,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Use SPDX license data from SPDX themselves instead of spdx-license-list
 because it is deprecated and outdated
 - Require Python 3.9+
+- Don't run `fix.separators()` on title or abstract fields
+- Don't run whitespace or newline fixes on abstract fields
+- Ignore some common non-SPDX licenses
+- Ignore `__description` suffix in filenames meant for SAFBuilder when checking
+for uncommon file extensions
+
+### Updated
+- Python dependencies
 
 ## [0.6.0] - 2022-09-02
 ### Changed

csv_metadata_quality/app.py

@@ -90,12 +90,14 @@ def run(argv):
 
             continue
 
-        # Fix: whitespace
-        df[column] = df[column].apply(fix.whitespace, field_name=column)
-
-        # Fix: newlines
         if args.unsafe_fixes:
-            df[column] = df[column].apply(fix.newlines, field_name=column)
+            match = re.match(r"^.*?abstract.*$", column)
+            if match is None:
+                # Fix: whitespace
+                df[column] = df[column].apply(fix.whitespace, field_name=column)
+
+                # Fix: newlines
+                df[column] = df[column].apply(fix.newlines, field_name=column)
 
         # Fix: missing space after comma. Only run on author and citation
         # fields for now, as this problem is mostly an issue in names.
@@ -121,10 +123,14 @@ def run(argv):
         # Fix: unnecessary Unicode
         df[column] = df[column].apply(fix.unnecessary_unicode)
 
-        # Fix: invalid and unnecessary multi-value separators
+        # Fix: invalid and unnecessary multi-value separators. Skip the title
-        df[column] = df[column].apply(fix.separators, field_name=column)
+        # and abstract fields because "|" is used to indicate something like
-        # Run whitespace fix again after fixing invalid separators
+        # a subtitle.
-        df[column] = df[column].apply(fix.whitespace, field_name=column)
+        match = re.match(r"^.*?(abstract|title).*$", column)
+        if match is None:
+            df[column] = df[column].apply(fix.separators, field_name=column)
+            # Run whitespace fix again after fixing invalid separators
+            df[column] = df[column].apply(fix.whitespace, field_name=column)
 
         # Fix: duplicate metadata values
         df[column] = df[column].apply(fix.duplicates, field_name=column)

csv_metadata_quality/check.py

@@ -33,7 +33,6 @@ def issn(field):
 
     # Try to split multi-value field on "||" separator
     for value in field.split("||"):
-
         if not stdnum_issn.is_valid(value):
             print(f"{Fore.RED}Invalid ISSN: {Fore.RESET}{value}")
 
@@ -56,7 +55,6 @@ def isbn(field):
 
     # Try to split multi-value field on "||" separator
     for value in field.split("||"):
-
         if not stdnum_isbn.is_valid(value):
             print(f"{Fore.RED}Invalid ISBN: {Fore.RESET}{value}")
 
@@ -173,7 +171,6 @@ def language(field):
 
     # Try to split multi-value field on "||" separator
     for value in field.split("||"):
-
         # After splitting, check if language value is 2 or 3 characters so we
         # can check it against ISO 639-1 or ISO 639-3 accordingly.
         if len(value) == 2:
@@ -286,6 +283,11 @@ def filename_extension(field):
 
     # Iterate over all values
     for value in values:
+        # Strip filename descriptions that are meant for SAF Bundler, for
+        # example: Annual_Report_2020.pdf__description:Report
+        if "__description" in value:
+            value = value.split("__")[0]
+
         # Assume filename extension does not match
         filename_extension_match = False
 
@@ -312,8 +314,19 @@ def spdx_license_identifier(field):
     Prints the value if it is invalid.
     """
 
+    # List of common non-SPDX licenses to ignore
+    # See: https://ilri.github.io/cgspace-submission-guidelines/dcterms-license/dcterms-license.txt
+    ignore_licenses = {
+        "All rights reserved; no re-use allowed",
+        "All rights reserved; self-archive copy only",
+        "Copyrighted; Non-commercial educational use only",
+        "Copyrighted; Non-commercial use only",
+        "Copyrighted; all rights reserved",
+        "Other",
+    }
+
     # Skip fields with missing values
-    if pd.isna(field):
+    if pd.isna(field) or field in ignore_licenses:
         return
 
     spdx_licenses = load_spdx_licenses()

csv_metadata_quality/version.py

@@ -1,3 +1,3 @@
 # SPDX-License-Identifier: GPL-3.0-only
 
-VERSION = "0.6.0"
+VERSION = "0.6.1"

data/abstract-check.csv

@@ -0,0 +1,17 @@
+id,dc.title,dcterms.abstract
+1,Normal item,This is an abstract
+2,Leading whitespace, This is an abstract
+3,Trailing whitespace,This is an abstract 
+4,Consecutive whitespace,This is  an abstract
+5,Newline,"This
+is an abstract"
+6,Newline with leading whitespace," This
+ is an abstract"
+7,Newline with trailing whitespace,"This 
+is an abstract "
+8,Newline with consecutive whitespace,"This
+is an  abstract"
+9,Multiple newlines,"This
+is
+an
+abstract"

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "csv-metadata-quality"
-version = "0.6.0"
+version = "0.6.1"
 description="A simple, but opinionated CSV quality checking and fixing pipeline for CSVs in the DSpace ecosystem."
 authors = ["Alan Orth <alan.orth@gmail.com>"]
 license="GPL-3.0-only"
@@ -12,27 +12,31 @@ csv-metadata-quality = 'csv_metadata_quality.__main__:main'
 
 [tool.poetry.dependencies]
 python = "^3.9"
-pandas = "^1.5.1"
+pandas = "^1.5.2"
-python-stdnum = "^1.17"
+python-stdnum = "^1.18"
-requests = "^2.28.1"
+requests = "^2.28.2"
-requests-cache = "^0.9.7"
+requests-cache = "^0.9.8"
 langid = "^1.1.6"
-colorama = "^0.4.5"
+colorama = "^0.4.6"
 ftfy = "^6.1.1"
 country-converter = {git = "https://github.com/alanorth/country_converter.git", rev = "myanmar-region"}
 pycountry = {git = "https://github.com/alanorth/pycountry", rev = "iso-codes-4.12.0"}
 
 [tool.poetry.dev-dependencies]
-pytest = "^7.2.0"
+pytest = "^7.2.1"
-flake8 = "^5.0.4"
+flake8 = "^6.0.0"
 pytest-clarity = "^1.0.1"
-black = "^22.10.0"
+black = "^23.1.0"
-isort = "^5.10.1"
+isort = "^5.12.0"
-csvkit = "^1.0.7"
+csvkit = "^1.1.0"
 
 [tool.poetry.group.dev.dependencies]
-ipython = "^8.7.0"
+ipython = "^8.10.0"
 
 [build-system]
 requires = ["poetry>=0.12"]
 build-backend = "poetry.masonry.api"
+
+[tool.isort]
+profile = "black"
+line_length=88

requirements-dev.txt

@@ -1,80 +1,80 @@
 agate-dbf==0.2.2 ; python_version >= "3.9" and python_version < "4.0"
 agate-excel==0.2.5 ; python_version >= "3.9" and python_version < "4.0"
-agate-sql==0.5.8 ; python_version >= "3.9" and python_version < "4.0"
+agate-sql==0.5.9 ; python_version >= "3.9" and python_version < "4.0"
-agate==1.6.3 ; python_version >= "3.9" and python_version < "4.0"
+agate==1.7.1 ; python_version >= "3.9" and python_version < "4.0"
 appdirs==1.4.4 ; python_version >= "3.9" and python_version < "4.0"
 appnope==0.1.3 ; python_version >= "3.9" and python_version < "4.0" and sys_platform == "darwin"
 asttokens==2.2.1 ; python_version >= "3.9" and python_version < "4.0"
-attrs==22.1.0 ; python_version >= "3.9" and python_version < "4.0"
+attrs==22.2.0 ; python_version >= "3.9" and python_version < "4.0"
 babel==2.11.0 ; python_version >= "3.9" and python_version < "4.0"
 backcall==0.2.0 ; python_version >= "3.9" and python_version < "4.0"
-black==22.12.0 ; python_version >= "3.9" and python_version < "4.0"
+black==23.1.0 ; python_version >= "3.9" and python_version < "4.0"
 cattrs==22.2.0 ; python_version >= "3.9" and python_version < "4.0"
 certifi==2022.12.7 ; python_version >= "3.9" and python_version < "4"
-charset-normalizer==2.1.1 ; python_version >= "3.9" and python_version < "4"
+charset-normalizer==3.0.1 ; python_version >= "3.9" and python_version < "4"
 click==8.1.3 ; python_version >= "3.9" and python_version < "4.0"
 colorama==0.4.6 ; python_version >= "3.9" and python_version < "4.0"
-commonmark==0.9.1 ; python_version >= "3.9" and python_version < "4.0"
 country-converter @ git+https://github.com/alanorth/country_converter.git@myanmar-region ; python_version >= "3.9" and python_version < "4.0"
-csvkit==1.0.7 ; python_version >= "3.9" and python_version < "4.0"
+csvkit==1.1.1 ; python_version >= "3.9" and python_version < "4.0"
 dbfread==2.0.7 ; python_version >= "3.9" and python_version < "4.0"
 decorator==5.1.1 ; python_version >= "3.9" and python_version < "4.0"
 et-xmlfile==1.1.0 ; python_version >= "3.9" and python_version < "4.0"
-exceptiongroup==1.0.4 ; python_version >= "3.9" and python_version < "3.11"
+exceptiongroup==1.1.0 ; python_version >= "3.9" and python_version < "3.11"
 executing==1.2.0 ; python_version >= "3.9" and python_version < "4.0"
-flake8==5.0.4 ; python_version >= "3.9" and python_version < "4.0"
+flake8==6.0.0 ; python_version >= "3.9" and python_version < "4.0"
 ftfy==6.1.1 ; python_version >= "3.9" and python_version < "4"
-future==0.18.2 ; python_version >= "3.9" and python_version < "4.0"
+greenlet==2.0.2 ; python_version >= "3.9" and (platform_machine == "aarch64" or platform_machine == "ppc64le" or platform_machine == "x86_64" or platform_machine == "amd64" or platform_machine == "AMD64" or platform_machine == "win32" or platform_machine == "WIN32") and python_version < "4.0"
-greenlet==2.0.1 ; python_version >= "3.9" and (platform_machine == "aarch64" or platform_machine == "ppc64le" or platform_machine == "x86_64" or platform_machine == "amd64" or platform_machine == "AMD64" or platform_machine == "win32" or platform_machine == "WIN32") and python_version < "4.0"
 idna==3.4 ; python_version >= "3.9" and python_version < "4"
-iniconfig==1.1.1 ; python_version >= "3.9" and python_version < "4.0"
+iniconfig==2.0.0 ; python_version >= "3.9" and python_version < "4.0"
-ipython==8.7.0 ; python_version >= "3.9" and python_version < "4.0"
+ipython==8.10.0 ; python_version >= "3.9" and python_version < "4.0"
 isodate==0.6.1 ; python_version >= "3.9" and python_version < "4.0"
-isort==5.11.1 ; python_version >= "3.9" and python_version < "4.0"
+isort==5.12.0 ; python_version >= "3.9" and python_version < "4.0"
 jedi==0.18.2 ; python_version >= "3.9" and python_version < "4.0"
 langid==1.1.6 ; python_version >= "3.9" and python_version < "4.0"
 leather==0.3.4 ; python_version >= "3.9" and python_version < "4.0"
+markdown-it-py==2.2.0 ; python_version >= "3.9" and python_version < "4.0"
 matplotlib-inline==0.1.6 ; python_version >= "3.9" and python_version < "4.0"
 mccabe==0.7.0 ; python_version >= "3.9" and python_version < "4.0"
-mypy-extensions==0.4.3 ; python_version >= "3.9" and python_version < "4.0"
+mdurl==0.1.2 ; python_version >= "3.9" and python_version < "4.0"
-numpy==1.23.5 ; python_version < "4.0" and python_version >= "3.9"
+mypy-extensions==1.0.0 ; python_version >= "3.9" and python_version < "4.0"
+numpy==1.24.2 ; python_version < "4.0" and python_version >= "3.9"
 olefile==0.46 ; python_version >= "3.9" and python_version < "4.0"
-openpyxl==3.0.10 ; python_version >= "3.9" and python_version < "4.0"
+openpyxl==3.1.1 ; python_version >= "3.9" and python_version < "4.0"
-packaging==22.0 ; python_version >= "3.9" and python_version < "4.0"
+packaging==23.0 ; python_version >= "3.9" and python_version < "4.0"
-pandas==1.5.2 ; python_version >= "3.9" and python_version < "4.0"
+pandas==1.5.3 ; python_version >= "3.9" and python_version < "4.0"
-parsedatetime==2.4 ; python_version >= "3.9" and python_version < "4.0"
+parsedatetime==2.6 ; python_version >= "3.9" and python_version < "4.0"
 parso==0.8.3 ; python_version >= "3.9" and python_version < "4.0"
-pathspec==0.10.3 ; python_version >= "3.9" and python_version < "4.0"
+pathspec==0.11.0 ; python_version >= "3.9" and python_version < "4.0"
 pexpect==4.8.0 ; python_version >= "3.9" and python_version < "4.0" and sys_platform != "win32"
 pickleshare==0.7.5 ; python_version >= "3.9" and python_version < "4.0"
-platformdirs==2.6.0 ; python_version >= "3.9" and python_version < "4.0"
+platformdirs==3.0.0 ; python_version >= "3.9" and python_version < "4.0"
 pluggy==1.0.0 ; python_version >= "3.9" and python_version < "4.0"
 pprintpp==0.4.0 ; python_version >= "3.9" and python_version < "4.0"
-prompt-toolkit==3.0.36 ; python_version >= "3.9" and python_version < "4.0"
+prompt-toolkit==3.0.37 ; python_version >= "3.9" and python_version < "4.0"
 ptyprocess==0.7.0 ; python_version >= "3.9" and python_version < "4.0" and sys_platform != "win32"
 pure-eval==0.2.2 ; python_version >= "3.9" and python_version < "4.0"
-pycodestyle==2.9.1 ; python_version >= "3.9" and python_version < "4.0"
+pycodestyle==2.10.0 ; python_version >= "3.9" and python_version < "4.0"
 pycountry @ git+https://github.com/alanorth/pycountry@iso-codes-4.12.0 ; python_version >= "3.9" and python_version < "4.0"
-pyflakes==2.5.0 ; python_version >= "3.9" and python_version < "4.0"
+pyflakes==3.0.1 ; python_version >= "3.9" and python_version < "4.0"
-pygments==2.13.0 ; python_version >= "3.9" and python_version < "4.0"
+pygments==2.14.0 ; python_version >= "3.9" and python_version < "4.0"
 pytest-clarity==1.0.1 ; python_version >= "3.9" and python_version < "4.0"
-pytest==7.2.0 ; python_version >= "3.9" and python_version < "4.0"
+pytest==7.2.1 ; python_version >= "3.9" and python_version < "4.0"
 python-dateutil==2.8.2 ; python_version >= "3.9" and python_version < "4.0"
-python-slugify==7.0.0 ; python_version >= "3.9" and python_version < "4.0"
+python-slugify==8.0.0 ; python_version >= "3.9" and python_version < "4.0"
 python-stdnum==1.18 ; python_version >= "3.9" and python_version < "4.0"
 pytimeparse==1.1.8 ; python_version >= "3.9" and python_version < "4.0"
-pytz==2022.6 ; python_version >= "3.9" and python_version < "4.0"
+pytz==2022.7.1 ; python_version >= "3.9" and python_version < "4.0"
-requests-cache==0.9.7 ; python_version >= "3.9" and python_version < "4.0"
+requests-cache==0.9.8 ; python_version >= "3.9" and python_version < "4.0"
-requests==2.28.1 ; python_version >= "3.9" and python_version < "4"
+requests==2.28.2 ; python_version >= "3.9" and python_version < "4"
-rich==12.6.0 ; python_version >= "3.9" and python_version < "4.0"
+rich==13.3.1 ; python_version >= "3.9" and python_version < "4.0"
 six==1.16.0 ; python_version >= "3.9" and python_version < "4.0"
-sqlalchemy==1.4.45 ; python_version >= "3.9" and python_version < "4.0"
+sqlalchemy==1.4.46 ; python_version >= "3.9" and python_version < "4.0"
 stack-data==0.6.2 ; python_version >= "3.9" and python_version < "4.0"
 text-unidecode==1.3 ; python_version >= "3.9" and python_version < "4.0"
-tomli==2.0.1 ; python_version >= "3.9" and python_full_version < "3.11.0a7"
+tomli==2.0.1 ; python_version >= "3.9" and python_version < "3.11"
-traitlets==5.7.1 ; python_version >= "3.9" and python_version < "4.0"
+traitlets==5.9.0 ; python_version >= "3.9" and python_version < "4.0"
-typing-extensions==4.4.0 ; python_version >= "3.9" and python_version < "3.10"
+typing-extensions==4.5.0 ; python_version >= "3.9" and python_version < "3.10"
 url-normalize==1.4.3 ; python_version >= "3.9" and python_version < "4.0"
-urllib3==1.26.13 ; python_version >= "3.9" and python_version < "4"
+urllib3==1.26.14 ; python_version >= "3.9" and python_version < "4"
-wcwidth==0.2.5 ; python_version >= "3.9" and python_version < "4"
+wcwidth==0.2.6 ; python_version >= "3.9" and python_version < "4"
 xlrd==2.0.1 ; python_version >= "3.9" and python_version < "4.0"

requirements.txt

@@ -1,23 +1,23 @@
 appdirs==1.4.4 ; python_version >= "3.9" and python_version < "4.0"
-attrs==22.1.0 ; python_version >= "3.9" and python_version < "4.0"
+attrs==22.2.0 ; python_version >= "3.9" and python_version < "4.0"
 cattrs==22.2.0 ; python_version >= "3.9" and python_version < "4.0"
 certifi==2022.12.7 ; python_version >= "3.9" and python_version < "4"
-charset-normalizer==2.1.1 ; python_version >= "3.9" and python_version < "4"
+charset-normalizer==3.0.1 ; python_version >= "3.9" and python_version < "4"
 colorama==0.4.6 ; python_version >= "3.9" and python_version < "4.0"
 country-converter @ git+https://github.com/alanorth/country_converter.git@myanmar-region ; python_version >= "3.9" and python_version < "4.0"
-exceptiongroup==1.0.4 ; python_version >= "3.9" and python_version < "3.11"
+exceptiongroup==1.1.0 ; python_version >= "3.9" and python_version < "3.11"
 ftfy==6.1.1 ; python_version >= "3.9" and python_version < "4"
 idna==3.4 ; python_version >= "3.9" and python_version < "4"
 langid==1.1.6 ; python_version >= "3.9" and python_version < "4.0"
-numpy==1.23.5 ; python_version < "4.0" and python_version >= "3.9"
+numpy==1.24.2 ; python_version < "4.0" and python_version >= "3.9"
-pandas==1.5.2 ; python_version >= "3.9" and python_version < "4.0"
+pandas==1.5.3 ; python_version >= "3.9" and python_version < "4.0"
 pycountry @ git+https://github.com/alanorth/pycountry@iso-codes-4.12.0 ; python_version >= "3.9" and python_version < "4.0"
 python-dateutil==2.8.2 ; python_version >= "3.9" and python_version < "4.0"
 python-stdnum==1.18 ; python_version >= "3.9" and python_version < "4.0"
-pytz==2022.6 ; python_version >= "3.9" and python_version < "4.0"
+pytz==2022.7.1 ; python_version >= "3.9" and python_version < "4.0"
-requests-cache==0.9.7 ; python_version >= "3.9" and python_version < "4.0"
+requests-cache==0.9.8 ; python_version >= "3.9" and python_version < "4.0"
-requests==2.28.1 ; python_version >= "3.9" and python_version < "4"
+requests==2.28.2 ; python_version >= "3.9" and python_version < "4"
 six==1.16.0 ; python_version >= "3.9" and python_version < "4.0"
 url-normalize==1.4.3 ; python_version >= "3.9" and python_version < "4.0"
-urllib3==1.26.13 ; python_version >= "3.9" and python_version < "4"
+urllib3==1.26.14 ; python_version >= "3.9" and python_version < "4"
-wcwidth==0.2.5 ; python_version >= "3.9" and python_version < "4"
+wcwidth==0.2.6 ; python_version >= "3.9" and python_version < "4"

setup.cfg

@@ -1,6 +0,0 @@
-[isort]
-multi_line_output=3
-include_trailing_comma=True
-force_grid_wrap=0
-use_parentheses=True
-line_length=88

setup.py

@@ -14,7 +14,7 @@ install_requires = [
 
 setuptools.setup(
     name="csv-metadata-quality",
-    version="0.6.0",
+    version="0.6.1",
     author="Alan Orth",
     author_email="aorth@mjanja.ch",
     description="A simple, but opinionated CSV quality checking and fixing pipeline for CSVs in the DSpace ecosystem.",
@@ -23,7 +23,6 @@ setuptools.setup(
     long_description_content_type="text/markdown",
     url="https://github.com/alanorth/csv-metadata-quality",
     classifiers=[
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",

tests/test_check.py

@@ -25,7 +25,7 @@ def test_check_valid_issn():
 
     result = check.issn(value)
 
-    assert result == None
+    assert result is None
 
 
 def test_check_invalid_isbn(capsys):
@@ -46,7 +46,7 @@ def test_check_valid_isbn():
 
     result = check.isbn(value)
 
-    assert result == None
+    assert result is None
 
 
 def test_check_missing_date(capsys):
@@ -102,7 +102,7 @@ def test_check_valid_date():
 
     result = check.date(value, field_name)
 
-    assert result == None
+    assert result is None
 
 
 def test_check_suspicious_characters(capsys):
@@ -128,7 +128,7 @@ def test_check_valid_iso639_1_language():
 
     result = check.language(value)
 
-    assert result == None
+    assert result is None
 
 
 def test_check_valid_iso639_3_language():
@@ -138,7 +138,7 @@ def test_check_valid_iso639_3_language():
 
     result = check.language(value)
 
-    assert result == None
+    assert result is None
 
 
 def test_check_invalid_iso639_1_language(capsys):
@@ -249,7 +249,7 @@ def test_check_common_filename_extension():
 
     result = check.filename_extension(value)
 
-    assert result == None
+    assert result is None
 
 
 def test_check_incorrect_iso_639_1_language(capsys):
@@ -305,7 +305,7 @@ def test_check_correct_iso_639_1_language():
 
     result = experimental.correct_language(series, exclude)
 
-    assert result == None
+    assert result is None
 
 
 def test_check_correct_iso_639_3_language():
@@ -321,7 +321,7 @@ def test_check_correct_iso_639_3_language():
 
     result = experimental.correct_language(series, exclude)
 
-    assert result == None
+    assert result is None
 
 
 def test_check_valid_spdx_license_identifier():
@@ -331,7 +331,7 @@ def test_check_valid_spdx_license_identifier():
 
     result = check.spdx_license_identifier(license)
 
-    assert result == None
+    assert result is None
 
 
 def test_check_invalid_spdx_license_identifier(capsys):
@@ -339,7 +339,7 @@ def test_check_invalid_spdx_license_identifier(capsys):
 
     license = "CC-BY-SA"
 
-    result = check.spdx_license_identifier(license)
+    check.spdx_license_identifier(license)
 
     captured = capsys.readouterr()
     assert (
@@ -362,7 +362,7 @@ def test_check_duplicate_item(capsys):
     }
     df = pd.DataFrame(data=d)
 
-    result = check.duplicate_items(df)
+    check.duplicate_items(df)
 
     captured = capsys.readouterr()
     assert (
@@ -379,7 +379,7 @@ def test_check_no_mojibake():
 
     result = check.mojibake(field, field_name)
 
-    assert result == None
+    assert result is None
 
 
 def test_check_mojibake(capsys):
@@ -388,7 +388,7 @@ def test_check_mojibake(capsys):
     field = "CIAT Publicaçao"
     field_name = "dcterms.isPartOf"
 
-    result = check.mojibake(field, field_name)
+    check.mojibake(field, field_name)
 
     captured = capsys.readouterr()
     assert (
@@ -411,7 +411,7 @@ def test_check_doi_field():
 
     result = check.citation_doi(series, exclude)
 
-    assert result == None
+    assert result is None
 
 
 def test_check_doi_only_in_citation(capsys):
@@ -448,7 +448,7 @@ def test_title_in_citation():
 
     result = check.title_in_citation(series, exclude)
 
-    assert result == None
+    assert result is None
 
 
 def test_title_not_in_citation(capsys):
@@ -485,7 +485,7 @@ def test_country_matches_region():
 
     result = check.countries_match_regions(series, exclude)
 
-    assert result == None
+    assert result is None
 
 
 def test_country_not_matching_region(capsys):