Update requirements

Generated using pipenv:

  $ pipenv lock -r > requirements.txt
  $ pipenv lock -r -d > requirements-dev.txt

requirements-dev.txt

@@ -6,7 +6,7 @@ decorator==4.4.0
 entrypoints==0.3
 flake8==3.7.7
 ipython-genutils==0.2.0
-ipython==7.4.0
+ipython==7.5.0
 jedi==0.13.3
 mccabe==0.6.1
 more-itertools==7.0.0 ; python_version > '2.7'
@@ -20,7 +20,7 @@ py==1.8.0
 pycodestyle==2.5.0
 pyflakes==2.1.1
 pygments==2.3.1
-pytest==4.4.0
+pytest==4.4.1
 six==1.12.0
 traitlets==4.3.2
 wcwidth==0.1.7

requirements.txt

@@ -1,11 +1,9 @@
 -i https://pypi.org/simple
 certifi==2019.3.9
 chardet==3.0.4
-falcon==1.4.1
+falcon==2.0.0
 gunicorn==19.9.0
 idna==2.8
 psycopg2-binary==2.8.2
-python-mimeparse==1.6.0
 requests==2.21.0
-six==1.12.0
-urllib3==1.24.1
+urllib3==1.24.3