refactoring

backend/process_data.py

@@ -21,7 +21,7 @@ test = processRawMessages(chat)
 
 frequency_dictionary: dict[str, dict[str, int]] = {}
 
-for author in test.keys():
+for author in test:
     frequency_dictionary[author] = {}
     messageList = test.get(author)
     if messageList:

word_cloud.py

@@ -17,7 +17,7 @@ wordcloud = WordCloud(
     contour_width=1,  # For consistent layout between runs
 )
 
-for author in frequency_dictionary.keys():
+for author in frequency_dictionary:
     freq_dict = frequency_dictionary.get(author)
     image = wordcloud.generate_from_frequencies(freq_dict)  # type: ignore
     image.to_file(f"output/{author}.png")  # type: ignore