Add configuration for isort and black

This does linting and automatic code formatting according to PEP8.

See: https://sourcery.ai/blog/python-best-practices/

Pipfile

@@ -13,6 +13,8 @@ requests = "*"
 ipython = "*"
 "flake8" = "*"
 pytest = "*"
+isort = "*"
+black = "*"
 
 [requires]
 python_version = "3.8"

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "97e81a39aace7e0a0436f569e583c9c430aaccd6fc3a5e0169c78c9fa57e5e5e"
+            "sha256": "5e3f3e80bd92780ab66a80a83156001e50362a0d6195b1a304a15dc0c645c562"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -120,6 +120,13 @@
         }
     },
     "develop": {
+        "appdirs": {
+            "hashes": [
+                "sha256:9e5896d1372858f8dd3344faf4e5014d21849c756c8d5701f78f8a103b372d92",
+                "sha256:d8b24664561d0d34ddfaec54636d502d7cea6e29c3eaf68f3df6180863e2166e"
+            ],
+            "version": "==1.4.3"
+        },
         "attrs": {
             "hashes": [
                 "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
@@ -134,6 +141,21 @@
             ],
             "version": "==0.1.0"
         },
+        "black": {
+            "hashes": [
+                "sha256:1b30e59be925fafc1ee4565e5e08abef6b03fe455102883820fe5ee2e4734e0b",
+                "sha256:c2edb73a08e9e0e6f65a0e6af18b059b8b1cdd5bef997d7a0b181df93dc81539"
+            ],
+            "index": "pypi",
+            "version": "==19.10b0"
+        },
+        "click": {
+            "hashes": [
+                "sha256:2335065e6395b9e67ca716de5f7526736bfa6ceead690adf616d925bdc622b13",
+                "sha256:5b94b49521f6456670fdb30cd82a4eca9412788a93fa6dd6df72c94d5a8ff2d7"
+            ],
+            "version": "==7.0"
+        },
         "decorator": {
             "hashes": [
                 "sha256:54c38050039232e1db4ad7375cfce6748d7b41c29e95a081c8a6d2c30364a2ce",
@@ -171,6 +193,14 @@
             ],
             "version": "==0.2.0"
         },
+        "isort": {
+            "hashes": [
+                "sha256:54da7e92468955c4fceacd0c86bd0ec997b0e1ee80d97f67c35a78b719dccab1",
+                "sha256:6e811fcb295968434526407adb8796944f1988c5b65e8139058f2014cbe100fd"
+            ],
+            "index": "pypi",
+            "version": "==4.3.21"
+        },
         "jedi": {
             "hashes": [
                 "sha256:786b6c3d80e2f06fd77162a07fed81b8baa22dde5d62896a790a331d6ac21a27",
@@ -206,6 +236,12 @@
             ],
             "version": "==0.5.1"
         },
+        "pathspec": {
+            "hashes": [
+                "sha256:e285ccc8b0785beadd4c18e5708b12bb8fcf529a1e61215b3feff1d1e559ea5c"
+            ],
+            "version": "==0.6.0"
+        },
         "pexpect": {
             "hashes": [
                 "sha256:2094eefdfcf37a1fdbfb9aa090862c1a4878e5c7e0e7e7088bdb511c558e5cd1",
@@ -286,6 +322,24 @@
             "index": "pypi",
             "version": "==5.3.1"
         },
+        "regex": {
+            "hashes": [
+                "sha256:15454b37c5a278f46f7aa2d9339bda450c300617ca2fca6558d05d870245edc7",
+                "sha256:1ad40708c255943a227e778b022c6497c129ad614bb7a2a2f916e12e8a359ee7",
+                "sha256:5e00f65cc507d13ab4dfa92c1232d004fa202c1d43a32a13940ab8a5afe2fb96",
+                "sha256:604dc563a02a74d70ae1f55208ddc9bfb6d9f470f6d1a5054c4bd5ae58744ab1",
+                "sha256:720e34a539a76a1fedcebe4397290604cc2bdf6f81eca44adb9fb2ea071c0c69",
+                "sha256:7caf47e4a9ac6ef08cabd3442cc4ca3386db141fb3c8b2a7e202d0470028e910",
+                "sha256:7faf534c1841c09d8fefa60ccde7b9903c9b528853ecf41628689793290ca143",
+                "sha256:b4e0406d822aa4993ac45072a584d57aa4931cf8288b5455bbf30c1d59dbad59",
+                "sha256:c31eaf28c6fe75ea329add0022efeed249e37861c19681960f99bbc7db981fb2",
+                "sha256:c7393597191fc2043c744db021643549061e12abe0b3ff5c429d806de7b93b66",
+                "sha256:d2b302f8cdd82c8f48e9de749d1d17f85ce9a0f082880b9a4859f66b07037dc6",
+                "sha256:e3d8dd0ec0ea280cf89026b0898971f5750a7bd92cb62c51af5a52abd020054a",
+                "sha256:ec032cbfed59bd5a4b8eab943c310acfaaa81394e14f44454ad5c9eba4f24a74"
+            ],
+            "version": "==2019.11.1"
+        },
         "six": {
             "hashes": [
                 "sha256:1f1b7d42e254082a9db6279deae68afb421ceba6158efa6131de7b3003ee93fd",
@@ -293,6 +347,13 @@
             ],
             "version": "==1.13.0"
         },
+        "toml": {
+            "hashes": [
+                "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c",
+                "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e"
+            ],
+            "version": "==0.10.0"
+        },
         "traitlets": {
             "hashes": [
                 "sha256:70b4c6a1d9019d7b4f6846832288f86998aa3b9207c6821f3578a6a6a467fe44",
@@ -300,6 +361,31 @@
             ],
             "version": "==4.3.3"
         },
+        "typed-ast": {
+            "hashes": [
+                "sha256:1170afa46a3799e18b4c977777ce137bb53c7485379d9706af8a59f2ea1aa161",
+                "sha256:18511a0b3e7922276346bcb47e2ef9f38fb90fd31cb9223eed42c85d1312344e",
+                "sha256:262c247a82d005e43b5b7f69aff746370538e176131c32dda9cb0f324d27141e",
+                "sha256:2b907eb046d049bcd9892e3076c7a6456c93a25bebfe554e931620c90e6a25b0",
+                "sha256:354c16e5babd09f5cb0ee000d54cfa38401d8b8891eefa878ac772f827181a3c",
+                "sha256:48e5b1e71f25cfdef98b013263a88d7145879fbb2d5185f2a0c79fa7ebbeae47",
+                "sha256:4e0b70c6fc4d010f8107726af5fd37921b666f5b31d9331f0bd24ad9a088e631",
+                "sha256:630968c5cdee51a11c05a30453f8cd65e0cc1d2ad0d9192819df9978984529f4",
+                "sha256:66480f95b8167c9c5c5c87f32cf437d585937970f3fc24386f313a4c97b44e34",
+                "sha256:71211d26ffd12d63a83e079ff258ac9d56a1376a25bc80b1cdcdf601b855b90b",
+                "sha256:7954560051331d003b4e2b3eb822d9dd2e376fa4f6d98fee32f452f52dd6ebb2",
+                "sha256:838997f4310012cf2e1ad3803bce2f3402e9ffb71ded61b5ee22617b3a7f6b6e",
+                "sha256:95bd11af7eafc16e829af2d3df510cecfd4387f6453355188342c3e79a2ec87a",
+                "sha256:bc6c7d3fa1325a0c6613512a093bc2a2a15aeec350451cbdf9e1d4bffe3e3233",
+                "sha256:cc34a6f5b426748a507dd5d1de4c1978f2eb5626d51326e43280941206c209e1",
+                "sha256:d755f03c1e4a51e9b24d899561fec4ccaf51f210d52abdf8c07ee2849b212a36",
+                "sha256:d7c45933b1bdfaf9f36c579671fec15d25b06c8398f113dab64c18ed1adda01d",
+                "sha256:d896919306dd0aa22d0132f62a1b78d11aaf4c9fc5b3410d3c666b818191630a",
+                "sha256:fdc1c9bbf79510b76408840e009ed65958feba92a88833cdceecff93ae8fff66",
+                "sha256:ffde2fbfad571af120fcbfbbc61c72469e72f550d676c3342492a9dfdefb8f12"
+            ],
+            "version": "==1.4.0"
+        },
         "wcwidth": {
             "hashes": [
                 "sha256:3df37372226d6e63e1b1e1eda15c594bca98a22d33a23832a90998faa96bc65e",

setup.cfg

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