Merge pull request #56 from pyflakes/matmul

Handle matrix-multiplication operator ("@")

Author: myint

pyflakes/checker.py

@@ -767,7 +767,8 @@ def ignore(self, node):
     # same for operators
     AND = OR = ADD = SUB = MULT = DIV = MOD = POW = LSHIFT = RSHIFT = \
         BITOR = BITXOR = BITAND = FLOORDIV = INVERT = NOT = UADD = USUB = \
-        EQ = NOTEQ = LT = LTE = GT = GTE = IS = ISNOT = IN = NOTIN = ignore
+        EQ = NOTEQ = LT = LTE = GT = GTE = IS = ISNOT = IN = NOTIN = \
+        MATMULT = ignore
 
     # additional node types
     COMPREHENSION = KEYWORD = FORMATTEDVALUE = handleChildren

pyflakes/test/test_other.py

@@ -1736,3 +1736,10 @@ async def commit(session, data):
                 ...
                 await trans.end()
         ''')
+
+    @skipIf(version_info < (3, 5), 'new in Python 3.5')
+    def test_matmul(self):
+        self.flakes('''
+        def foo(a, b):
+            return a @ b
+        ''')