doc: flake8 and doc8

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
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+            "sha256": "ecfbf828384f555e2c3144e503c8b7181aeabc626b3ebb5aa49780c4031b7b81"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -215,11 +215,11 @@
         },
         "sphinx": {
             "hashes": [
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-                "sha256:839a3ed6f6b092bb60f492024489cc9e6991360fb9f52ed6361acd510d261069"
+                "sha256:217a7705adcb573da5bbe1e0f5cab4fa0bd89fd9342c9159121746f593c2d5a4",
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-            "version": "==2.2.0"
+            "version": "==1.7.9"
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         "sphinx-rtd-theme": {
             "hashes": [
@@ -229,47 +229,12 @@
             "index": "pypi",
             "version": "==0.4.3"
         },
-        "sphinxcontrib-applehelp": {
+        "sphinxcontrib-websupport": {
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+                "sha256:1501befb0fdf1d1c29a800fdbf4ef5dc5369377300ddbdd16d2cd40e54c6eefc",
+                "sha256:e02f717baf02d0b6c3dd62cf81232ffca4c9d5c331e03766982e3ff9f1d2bc3f"
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-            "version": "==1.0.1"
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