Change W to R

Author: nickdrozd

pylint/checkers/variables.py

@@ -460,7 +460,7 @@ def _has_locals_call_after_node(stmt: nodes.NodeNG, scope: nodes.FunctionDef) ->
         "Used when an imported module or variable is not used from a "
         "`'from X import *'` style import.",
     ),
-    "W0615": (
+    "R0615": (
         "`%s` used only for typechecking but imported outside of a typechecking block",
         "unguarded-typing-import",
         "Used when an import is used only for typechecking but imported outside of a typechecking block.",