This needed to be a path

apps/cli/executables/pexable/casa_envoy/casa_envoy/foundation.py

@@ -88,7 +88,7 @@ class GeneralFoundation(FoundationIF):
         :return:
         """
         # Copy files that need to exist next to the data into the rawdata directory
-        for file in self.working_dir.glob('*flagtargetstemplate.txt'):
+        for file in Path(self.working_dir).glob('*flagtargetstemplate.txt'):
             if file.exists():
                 shutil.copy(file, self.rawdata_dir)