Correct self method

libmat2/archive.py

@@ -49,7 +49,6 @@ class ArchiveBasedAbstractParser(abstract.AbstractParser):
         zipinfo.date_time = (1980, 1, 1, 0, 0, 0)  # this is as early as a zipfile can be
         return zipinfo
 
-    @staticmethod
     def _get_zipinfo_meta(self, zipinfo: zipfile.ZipInfo) -> Dict[str, str]:
         metadata = {}
         if zipinfo.create_system == 3:  # this is Linux
@@ -146,7 +145,7 @@ class ZIPParser(ArchiveBasedAbstractParser):
         metadata = {}
         zipin = zipfile.ZipFile(self.filename)
         for item in zipin.infolist():
-            for key, value in self._get_zipinfo_meta(self, item).items():
+            for key, value in self._get_zipinfo_meta(item).items():
                 metadata[key] = value
         zipin.close()
         return metadata

libmat2/office.py

@@ -312,7 +312,7 @@ class MSOfficeParser(ArchiveBasedAbstractParser):
                         metadata[key] = value
                 except (TypeError, UnicodeDecodeError):  # We didn't manage to parse the xml file
                     metadata[item.filename] = 'harmful content'
-            for key, value in self._get_zipinfo_meta(self, item).items():
+            for key, value in self._get_zipinfo_meta(item).items():
                 metadata[key] = value
         zipin.close()
         return metadata
@@ -397,7 +397,7 @@ class LibreOfficeParser(ArchiveBasedAbstractParser):
                         metadata[key] = value
                 except (TypeError, UnicodeDecodeError):  # We didn't manage to parse the xml file
                     metadata[item.filename] = 'harmful content'
-            for key, value in self._get_zipinfo_meta(self, item).items():
+            for key, value in self._get_zipinfo_meta(item).items():
                 metadata[key] = value
         zipin.close()
         return metadata