Noissue - Added flake8 extension accounting for our coding style and some other stuff

flake8-abp/tests/A201.py

Index: flake8-abp/tests/A201.py
===================================================================
new file mode 100644
--- /dev/null
+++ b/flake8-abp/tests/A201.py
@@ -0,0 +1,44 @@
+# A201
+global a
+a = 1
+
+
+class Foo:
+    global a
+    # A201
+    global a, b
+    a = 2
+    b = 3
+
+    def foo(self):
+        # A201
+        global b, c
+        b = 4
+
+
+math = None
+Class = None
+func = None
+
+
+def lazy_import():
+    global math
+    if math is None:
+        import math
+    return math
+
+
+def lacy_class():
+    global Class
+    if Class is None:
+        class Class:
+            pass
+    return Class
+
+
+def lazy_function():
+    global func
+    if func is None:
+        def func():
+            pass
+    return func