Remove visit_discard for map-builtin-not-iterating, since it is already caught by visit_callfunc.

2 files changed, 0 insertions, 19 deletions

diff --git a/pylint/checkers/python3.py b/pylint/checkers/python3.py
index bb072d1..8248e72 100644
--- a/pylint/checkers/python3.py
+++ b/pylint/checkers/python3.py
@@ -372,15 +372,6 @@ class Python3Checker(checkers.BaseChecker):
             if isinstance(arg, astroid.Tuple):
                 self.add_message('parameter-unpacking', node=arg)
 
-    @utils.check_messages('map-builtin-not-iterating')
-    def visit_discard(self, node):
-        if (isinstance(node.value, astroid.CallFunc) and
-                isinstance(node.value.func, astroid.Name) and
-                node.value.func.name == 'map'):
-            module = node.value.func.lookup('map')[0]
-            if _is_builtin(module):
-                self.add_message('map-builtin-not-iterating', node=node)
-
     def visit_name(self, node):
         """Detect when a "bad" built-in is referenced."""
         found_node = node.lookup(node.name)[0]
diff --git a/pylint/test/unittest_checker_python3.py b/pylint/test/unittest_checker_python3.py
index b07798d..e666f75 100644
--- a/pylint/test/unittest_checker_python3.py
+++ b/pylint/test/unittest_checker_python3.py
@@ -309,16 +309,6 @@ class Python3CheckerTest(testutils.CheckerTestCase):
         with self.assertAddsMessages(message):
             self.checker.visit_callfunc(node)
 
-    @python2_only
-    def test_implicit_map_evaluation(self):
-        node = test_utils.extract_node('map(str, [1, 2, 3])')
-        discard = node.parent
-        message = testutils.Message('map-builtin-not-iterating', node=discard)
-        with self.assertAddsMessages(message):
-            # Use node.parent because extract_node returns the value
-            # of a discard node, not the discard itself.
-            self.checker.visit_discard(discard)
-
     def test_not_next_method(self):
         arg_node = test_utils.extract_node('x.next(x)  #@')
         stararg_node = test_utils.extract_node('x.next(*x)  #@')