Update app.py

app.py

@@ -28,7 +28,7 @@ def run_chatnt(input_file, custom_question):
         log.write("Request started\n")
 
     if not custom_question or custom_question.strip() == "":
-        None
+        return None
 
     # Read DNA sequences
     dna_sequences = []
@@ -73,11 +73,10 @@ def run_chatnt(input_file, custom_question):
         english_sequence = custom_question
     else:
         return None
-    with open(log_file, "a") as log:
-        log.write(f"English prompt : {english_sequence}")
 
     # Call model
-    log.write("Calling model")
+    with open(log_file, "a") as log:
+        log.write("Calling model")
     output = pipe(
         inputs={
             "english_sequence": english_sequence,
@@ -85,7 +84,6 @@ def run_chatnt(input_file, custom_question):
         }
     )
 
-    log.write(f"Output : {output}")
     return output
 
 # --- Gradio Interface ---