fixed retry loop on consecutive user msgs

app.py

@@ -83,6 +83,9 @@ def __isInvalidResponse(response: str):
 
     if C.EXCEPTION_KEYWORD in response:
         U.pprint("LLM API threw exception")
+        if 'roles must alternate between "user" and "assistant"' in str(response):
+            U.pprint("Removing last msg from context...")
+            st.session_state.messages.pop(-2)
         return True
 
     if ('{\n    "options"' in response) and (C.JSON_SEPARATOR not in response):
@@ -253,7 +256,6 @@ def predict():
                 max_tokens=4000,
                 stream=True
             )
-
             for chunk in response:
                 choices = chunk.choices
                 if not choices:
@@ -264,7 +266,7 @@ def predict():
                     yield chunkContent
     except Exception as e:
         U.pprint(f"LLM API Error: {e}")
-        yield C.EXCEPTION_KEYWORD
+        yield f"{C.EXCEPTION_KEYWORD} | {e}"
 
 
 def __generateImage(prompt: str):