diff --git a/lib/py/CMakeLists.txt b/lib/py/CMakeLists.txt
old mode 100755
new mode 100644
diff --git a/lib/py/Makefile.am b/lib/py/Makefile.am
old mode 100755
new mode 100644
diff --git a/lib/py/setup.cfg b/lib/py/setup.cfg
index c6dab40..c9ed0ae 100644
--- a/lib/py/setup.cfg
+++ b/lib/py/setup.cfg
@@ -2,3 +2,5 @@
 optimize = 1
 [metadata]
 description-file = README.md
+[flake8]
+max-line-length = 100
diff --git a/lib/py/src/compat.py b/lib/py/src/compat.py
index 787149a..41bcf35 100644
--- a/lib/py/src/compat.py
+++ b/lib/py/src/compat.py
@@ -31,7 +31,7 @@
 
 else:
 
-    from io import BytesIO as BufferIO
+    from io import BytesIO as BufferIO  # noqa
 
     def binary_to_str(bin_val):
         return bin_val.decode('utf8')
diff --git a/lib/py/test/thrift_json.py b/lib/py/test/thrift_json.py
index 5ba7dd5..fc1e79c 100644
--- a/lib/py/test/thrift_json.py
+++ b/lib/py/test/thrift_json.py
@@ -20,7 +20,7 @@
 import sys
 import unittest
 
-import _import_local_thrift
+import _import_local_thrift  # noqa
 from thrift.protocol.TJSONProtocol import TJSONProtocol
 from thrift.transport import TTransport