Remove D413 from the pep257 convention (#404)

* Remove D413 from the pep257 convention

* Add tests for D413/PEP257 and update release notes

Author: sambhav

docs/release_notes.rst

@@ -16,6 +16,10 @@ New Features
 * Extend support for detecting missing arguments in Google style
   docstrings to method calls (#384).
 
+Bug Fixes
+
+* Remove D413 from the pep257 convention (#404).
+
 4.0.1 - August 14th, 2019
 -------------------------
 

src/pydocstyle/violations.py

@@ -266,7 +266,7 @@ def __getattr__(self, item: str) -> Any:
 conventions = AttrDict({
     'pep257': all_errors - {'D203', 'D212', 'D213', 'D214', 'D215', 'D404',
                             'D405', 'D406', 'D407', 'D408', 'D409', 'D410',
-                            'D411', 'D415', 'D416', 'D417'},
+                            'D411', 'D413', 'D415', 'D416', 'D417'},
     'numpy': all_errors - {'D107', 'D203', 'D212', 'D213', 'D402', 'D413',
                            'D415', 'D416', 'D417'},
     'google': all_errors - {'D203', 'D204', 'D213', 'D215', 'D400', 'D401',

src/tests/test_integration.py

@@ -561,6 +561,19 @@ class Foo(object):
                 """Docstring for this class"""
                 def foo():
                     pass
+
+
+            # Original PEP-257 example from -
+            # https://www.python.org/dev/peps/pep-0257/
+            def complex(real=0.0, imag=0.0):
+                """Form a complex number.
+
+                Keyword arguments:
+                real -- the real part (default 0.0)
+                imag -- the imaginary part (default 0.0)
+                """
+                if imag == 0.0 and real == 0.0:
+                    return complex_zero
         '''))
 
     env.write_config(convention="pep257")
@@ -571,6 +584,7 @@ def foo():
     assert 'D203' not in out
     assert 'D212' not in out
     assert 'D213' not in out
+    assert 'D413' not in out
 
 
 def test_numpy_convention(env):