update comments in functions file.

functions_mm.py

@@ -74,6 +74,10 @@ default_language = "English"
 #Setting the Chatbot Model #################################################################################
 
 #Instantiating the llm we'll use and the arguments to pass
+#This is done at a global level, and not within the definition of a function to improve
+#the speed and efficiency of the app. Thus, the model will not be instantiated every time 
+#a new question is submitted.  Similar setup is created for all of the models called. This 
+#was part of our optimization process to help the app be more efficient and effective.
 llm = ChatOpenAI(openai_api_key=OPENAI_API_KEY, model_name=OPENAI_MODEL, temperature=0.0)
 
 # Define the wikipedia topic as a string.
@@ -131,6 +135,9 @@ def translate(transcribed_text, target_lang="es"):
         max_length = tokenizer.model_max_length
 
         # Split text based on sentence endings to better manage translation segments
+        # This is done because in previous iterations of the app, some translations hit 
+        # the max number of tokens and the output was truncated. This is part of our 
+        # evaluation and optimization process
         sentences = re.split(r'(?<=[.!?]) +', transcribed_text)
         full_translation = ""
 
@@ -239,10 +246,6 @@ def submit_question (audio_filepath=None, typed_text=None, target_lang=default_l
         response_speech = "No audio available"
     
     
-    #Map detected language code to language name
-    # detected_lang = [key for key, value in language_map.items() if value == detected_lang_code][0]
-    
-    
     return response_text, response_speech
 
 #Define function to transcribe audio and provide output in text and speech