Fix an issue with Tuple generics

jedi/inference/gradual/typing.py

@@ -138,13 +138,6 @@ class ProxyWithGenerics(BaseTypingClassWithGenerics):
     def gather_annotation_classes(self):
         return ValueSet.from_sets(self._generics_manager.to_tuple())
 
-    def _create_instance_with_generics(self, generics_manager):
-        return ProxyWithGenerics(
-            self.parent_context,
-            self._tree_name,
-            generics_manager
-        )
-
     def infer_type_vars(self, value_set):
         annotation_generics = self.get_generics()
 
@@ -232,6 +225,13 @@ class TypingClassWithGenerics(_TypingClassMixin, ProxyWithGenerics):
 
         return type_var_dict
 
+    def _create_instance_with_generics(self, generics_manager):
+        return TypingClassWithGenerics(
+            self.parent_context,
+            self._tree_name,
+            generics_manager
+        )
+
 
 class ProxyTypingClassValue(_TypingClassMixin, ProxyTypingValue):
     index_class = TypingClassWithGenerics

test/completion/pep0484_overload.py

@@ -1,5 +1,5 @@
 # python >= 3.6
-from typing import List, Dict, overload
+from typing import List, Dict, overload, Tuple, TypeVar
 
 lst: list
 list_alias: List
@@ -72,3 +72,18 @@ overload_f1(list_alias)
 overload_f1(list_str)
 #? str() dict()
 overload_f1(list_int)
+
+# -------------------------
+# Broken Matching
+# -------------------------
+T = TypeVar('T')
+
+@overload
+def broken_f1(value: 1) -> str: ...
+
+@overload
+def broken_f1(value: Tuple[T]) -> Tuple[T]: ...
+
+tup: Tuple[float]
+#? float()
+broken_f1(broken_f1(tup))[0]