Exempt properties from D401

docs/release_notes.rst

@@ -8,6 +8,9 @@ Release Notes
 Current Development Version
 ---------------------------
 
+Bug Fixes
+
+* Properties no longer cause D401
 
 6.1.1 - May 17th, 2021
 ---------------------------

src/pydocstyle/checker.py

@@ -500,7 +500,7 @@ def check_imperative_mood(self, function, docstring):  # def context
         "Returns the pathname ...".
 
         """
-        if docstring and not function.is_test:
+        if docstring and not function.is_test and not function.is_property:
             stripped = ast.literal_eval(docstring).strip()
             if stripped:
                 first_word = strip_non_alphanumeric(stripped.split()[0])

src/pydocstyle/parser.py

@@ -218,6 +218,14 @@ def is_overload(self):
                 return True
         return False
 
+    @property
+    def is_property(self):
+        """Return True iff the method decorated with property."""
+        for decorator in self.decorators:
+            if "property" in decorator.name:
+                return True
+        return False
+
     @property
     def is_test(self):
         """Return True if this function is a test function/method.

src/tests/test_cases/test.py

@@ -42,6 +42,11 @@ def overloaded_method(a):
            "D418: Function/ Method decorated with @overload"
            " shouldn't contain a docstring")
 
+    @property
+    def foo(self):
+        """The foo of the thing, which isn't in imperitive mood."""
+        return "hello"
+
     @expect('D102: Missing docstring in public method')
     def __new__(self=None):
         pass