Add flake8 dependency

dependencies/Pipfile

@@ -11,6 +11,7 @@ pylint = "*"
 yq = "*"
 cfn-lint = "*"
 terrascan = "*"
+flake8 = "*"
 
 [requires]
 python_version = "3.8"

dependencies/Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "c62b95247cb67b10711da0012966cc031d5a9ec08885a45736c0ee77bba3a844"
+            "sha256": "f8ea3853c4bb4533103043533d08982436551678c827f59809c94bf0ee54a187"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -28,6 +28,7 @@
                 "sha256:2f4078c2a41bf377eea06d71c9d2ba4eb8f6b1af2135bec27bbbb7d8f12bb703",
                 "sha256:bc58d83eb610252fd8de6363e39d4f1d0619c894b0ed24603b881c02e64c7386"
             ],
+            "markers": "python_version >= '3.5'",
             "version": "==2.4.2"
         },
         "attrs": {
@@ -35,6 +36,7 @@
                 "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
                 "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==19.3.0"
         },
         "aws-sam-translator": {
@@ -80,13 +82,23 @@
                 "sha256:9e4d7ecfc600058e07ba661411a2b7de2fd0fafa17d1a7f7361cd47b1175c827",
                 "sha256:a2aeea129088da402665e92e0b25b04b073c04b2dce4ab65caaa38b7ce2e1a99"
             ],
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2'",
             "version": "==0.15.2"
         },
+        "flake8": {
+            "hashes": [
+                "sha256:15e351d19611c887e482fb960eae4d44845013cc142d42896e9862f775d8cf5c",
+                "sha256:f04b9fcbac03b0a3e58c0ab3a0ecc462e023a9faf046d57794184028123aa208"
+            ],
+            "index": "pypi",
+            "version": "==3.8.3"
+        },
         "isort": {
             "hashes": [
                 "sha256:54da7e92468955c4fceacd0c86bd0ec997b0e1ee80d97f67c35a78b719dccab1",
                 "sha256:6e811fcb295968434526407adb8796944f1988c5b65e8139058f2014cbe100fd"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==4.3.21"
         },
         "jmespath": {
@@ -94,6 +106,7 @@
                 "sha256:b85d0567b8666149a93172712e68920734333c0ce7e89b78b3e987f71e5ed4f9",
                 "sha256:cdf6525904cc597730141d61b36f2e4b8ecc257c420fa2f4549bac2c2d0cb72f"
             ],
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2'",
             "version": "==0.10.0"
         },
         "jsonpatch": {
@@ -109,6 +122,7 @@
                 "sha256:c192ba86648e05fdae4f08a17ec25180a9aef5008d973407b581798a83975362",
                 "sha256:ff379fa021d1b81ab539f5ec467c7745beb1a5671463f9dcc2b2d458bd361c1e"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.0"
         },
         "jsonschema": {
@@ -148,6 +162,7 @@
                 "sha256:efa1909120ce98bbb3777e8b6f92237f5d5c8ea6758efea36a473e1d38f7d3e4",
                 "sha256:f3900e8a5de27447acbf900b4750b0ddfd7ec1ea7fbaf11dfa911141bc522af0"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.4.3"
         },
         "mccabe": {
@@ -172,6 +187,22 @@
             ],
             "version": "==0.8.0"
         },
+        "pycodestyle": {
+            "hashes": [
+                "sha256:2295e7b2f6b5bd100585ebcb1f616591b652db8a741695b3d8f5d28bdc934367",
+                "sha256:c58a7d2815e0e8d7972bf1803331fb0152f867bd89adf8a01dfd55085434192e"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.6.0"
+        },
+        "pyflakes": {
+            "hashes": [
+                "sha256:0d94e0e05a19e57a99444b6ddcf9a6eb2e5c68d3ca1e98e90707af8152c90a92",
+                "sha256:35b2d75ee967ea93b55750aa9edbbf72813e06a66ba54438df2cfac9e3c27fc8"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.2.0"
+        },
         "pyhcl": {
             "hashes": [
                 "sha256:2d9b9dcdf1023d812bfed561ba72c99104c5b3f52e558d595130a44ce081b003"
@@ -197,6 +228,7 @@
                 "sha256:73ebfe9dbf22e832286dafa60473e4cd239f8592f699aa5adaf10050e6e1823c",
                 "sha256:75bb3f31ea686f1197762692a9ee6a7550b59fc6ca3a1f4b5d7e32fb98e2da2a"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
             "version": "==2.8.1"
         },
         "pyyaml": {
@@ -228,6 +260,7 @@
                 "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
                 "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
             "version": "==1.15.0"
         },
         "terrascan": {