Make pychecker happy

We don't use the class variable anywhere

diff --git a/gbp/pkg/__init__.py b/gbp/pkg/__init__.py
index 05f1f2c..34f81cd 100644 (file)
--- a/gbp/pkg/__init__.py
+++ b/gbp/pkg/__init__.py
@@ -131,8 +131,8 @@ class PkgPolicy(object):
             raise NotImplementedError("Class needs to provide upstreamversion_re")
         return True if cls.upstreamversion_re.match(version) else False
 
-    @classmethod
-    def guess_upstream_src_version(cls, filename, extra_regex=r''):
+    @staticmethod
+    def guess_upstream_src_version(filename, extra_regex=r''):
         """
         Guess the package name and version from the filename of an upstream
         archive.