flake8 3.5.x does not support the --extend-ignore syntax used in the
.flake8 file to gracefully extend default ignores, so 3.6.x is our
minimum requirement. There is no known upper bound.

flake8 can be run from the python/ directory with no arguments.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Tested-by: Cleber Rosa <crosa@redhat.com>
---
 python/Pipfile      |  1 +
 python/Pipfile.lock | 55 ++++++++++++++++++++++++++++++++++++++++++---
 2 files changed, 53 insertions(+), 3 deletions(-)

diff --git a/python/Pipfile b/python/Pipfile
index aaee00581eb..cc43445ef8f 100644
--- a/python/Pipfile
+++ b/python/Pipfile
@@ -4,6 +4,7 @@ url = "https://pypi.org/simple"
 verify_ssl = true
 
 [dev-packages]
+flake8 = ">=3.6.0"
 pylint = ">=2.7.0"
 
 [packages]
diff --git a/python/Pipfile.lock b/python/Pipfile.lock
index b5e556d265b..dd2fafadd61 100644
--- a/python/Pipfile.lock
+++ b/python/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "2016d2670f203ed4ffac9f59cdfbc540f209ad76eff28e484f245f401d524f5c"
+            "sha256": "4a4a9c6e09d9c5ce670fe4d067052a743dc3eff93c4790f9da31a0db2a66f8fc"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -25,6 +25,22 @@
             "markers": "python_version >= '3.6'",
             "version": "==2.5.2"
         },
+        "flake8": {
+            "hashes": [
+                "sha256:12d05ab02614b6aee8df7c36b97d1a3b2372761222b19b58621355e82acddcff",
+                "sha256:78873e372b12b093da7b5e5ed302e8ad9e988b38b063b61ad937f26ca58fc5f0"
+            ],
+            "index": "pypi",
+            "version": "==3.9.0"
+        },
+        "importlib-metadata": {
+            "hashes": [
+                "sha256:1cedf994a9b6885dcbb7ed40b24c332b1de3956319f4b1a0f07c0621d453accc",
+                "sha256:c9c1b6c7dbc62084f3e6a614a194eb16ded7947736c18e3300125d5c0a7a8b3c"
+            ],
+            "markers": "python_version < '3.8'",
+            "version": "==3.9.1"
+        },
         "isort": {
             "hashes": [
                 "sha256:0a943902919f65c5684ac4e0154b1ad4fac6dcaa5d9f3426b732f1c8b5419be6",
@@ -68,6 +84,22 @@
             ],
             "version": "==0.6.1"
         },
+        "pycodestyle": {
+            "hashes": [
+                "sha256:514f76d918fcc0b55c6680472f0a37970994e07bbb80725808c17089be302068",
+                "sha256:c389c1d06bf7904078ca03399a4816f974a1d590090fecea0c63ec26ebaf1cef"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.7.0"
+        },
+        "pyflakes": {
+            "hashes": [
+                "sha256:7893783d01b8a89811dd72d7dfd4d84ff098e5eed95cfa8905b22bbffe52efc3",
+                "sha256:f5bc8ecabc05bb9d291eb5203d6810b49040f6ff446a756326104746cc00c1db"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.3.1"
+        },
         "pylint": {
             "hashes": [
                 "sha256:0e21d3b80b96740909d77206d741aa3ce0b06b41be375d92e1f3244a274c1f8a",
@@ -81,7 +113,7 @@
                 "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b",
                 "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"
             ],
-            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2'",
             "version": "==0.10.2"
         },
         "typed-ast": {
@@ -117,14 +149,31 @@
                 "sha256:d746a437cdbca200622385305aedd9aef68e8a645e385cc483bdc5e488f07166",
                 "sha256:e683e409e5c45d5c9082dc1daf13f6374300806240719f95dc783d1fc942af10"
             ],
-            "markers": "python_version < '3.8' and implementation_name == 'cpython'",
+            "markers": "implementation_name == 'cpython' and python_version < '3.8'",
             "version": "==1.4.2"
         },
+        "typing-extensions": {
+            "hashes": [
+                "sha256:7cb407020f00f7bfc3cb3e7881628838e69d8f3fcab2f64742a5e76b2f841918",
+                "sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c",
+                "sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f"
+            ],
+            "markers": "python_version < '3.8'",
+            "version": "==3.7.4.3"
+        },
         "wrapt": {
             "hashes": [
                 "sha256:b62ffa81fb85f4332a4f609cab4ac40709470da05643a082ec1eb88e6d9b97d7"
             ],
             "version": "==1.12.1"
+        },
+        "zipp": {
+            "hashes": [
+                "sha256:3607921face881ba3e026887d8150cca609d517579abe052ac81fc5aeffdbd76",
+                "sha256:51cb66cc54621609dd593d1787f286ee42a5c0adbb4b29abea5a63edc3e03098"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==3.4.1"
         }
     }
 }
-- 
2.30.2