Note PEP exception for _callFUT, MUT.

googleapis · Oct 3, 2014 · 6ebe048 · 6ebe048
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commit 6ebe048
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diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
@@ -83,6 +83,12 @@ Coding Style
 
    $ tox -e lint
 
+Exceptions to PEP8:
+
+- Many unit tests use a helper method, ``_callFUT`` ("FUT" is short for
+  "Function-Under-Test"), which is PEP8-incompliant, but more readable.
+  Some also use a local variable, ``MUT`` (short for "Module-Under-Test").
+
 Running Tests
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