Include BinaryIO in the list of typing imports

PCManticore · PCManticore · commit dd310604896c · 2019-10-30T09:29:27.000+01:00
Close #3217
diff --git a/pylint/checkers/variables.py b/pylint/checkers/variables.py
@@ -115,6 +115,7 @@
         "AnyStr",
         "Text",
         "Pattern",
+        "BinaryIO",
     }
 )
 
