Make sure that sequence literals have the right generic classes, fixes #1416

jedi/inference/value/iterable.py

@@ -206,9 +206,6 @@ class Sequence(LazyAttributeOverwrite, IterableMixin):
     def py__bool__(self):
         return None  # We don't know the length, because of appends.
 
-    def py__class__(self):
-        return compiled.builtin_from_name(self.inference_state, self.array_type)
-
     @safe_property
     def parent(self):
         return self.inference_state.builtins_module

test/completion/pep0484_overload.py

@@ -4,6 +4,7 @@ from typing import List, Dict, overload
 lst: list
 list_alias: List
 list_str: List[str]
+list_str: List[int]
 
 # -------------------------
 # With base classes
@@ -41,3 +42,33 @@ overload_f3(lst)
 overload_f3(list_alias)
 #? str()
 overload_f3(list_str)
+
+# -------------------------
+# Generics Matching
+# -------------------------
+
+@overload
+def overload_f1(value: List[str]) -> str: ...
+
+
+@overload
+def overload_f1(value: Dict[str, str]) -> Dict[str, str]: ...
+
+def overload_f1():
+    pass
+
+#? str()
+overload_f1([''])
+#? str() dict()
+overload_f1(1)
+#? dict()
+overload_f1({'': ''})
+
+#? str() dict()
+overload_f1(lst)
+#? str() dict()
+overload_f1(list_alias)
+#? str()
+overload_f1(list_str)
+#? str() dict()
+overload_f1(list_int)