declare people firt

image_classifier/image_classifier.py

@@ -84,6 +84,7 @@ class image_classifier:
         folder_date = 'unknown-time'
         dirname = os.path.dirname(os.path.realpath(file))
         filename = os.path.basename(file)
+        people = list()
         if not os.access(file, os.R_OK):
             self._log.error(f"The file '{file}' is not readable.")
         else: