Fix missing newline at EOF

Author: leonarduschen

tests/typing/dict.py

@@ -55,4 +55,4 @@
 async def _async3() -> None:
     var1 = await provider6()  # type: ignore
     var2 = await provider6.async_()
-    assert_type(var2, Dict[Any, Any])
+    assert_type(var2, Dict[Any, Any])