Update app.py

app.py

@@ -36,7 +36,7 @@ from langgraph.graph import StateGraph, END
 from langchain_community.llms import HuggingFacePipeline 
 
 # Corrected Tool import: Use 'tool' (lowercase)
-from langchain_core.tools import BaseTool, tool # <--- CHANGED HERE
+from langchain_core.tools import BaseTool, tool 
 
 # Hugging Face local model imports
 from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline
@@ -55,7 +55,7 @@ def indent_code(code: str, indent: str = "    ") -> str:
     return "\n".join(indent + line for line in code.splitlines())
 
 # --- Tool Definitions ---
-@tool # <--- CHANGED HERE
+@tool 
 def duckduckgo_search(query: str) -> str:
     """Search web using DuckDuckGo. Returns top 3 results."""
     print(f"DEBUG: duckduckgo_search called with: {query}")
@@ -68,7 +68,7 @@ def duckduckgo_search(query: str) -> str:
     except Exception as e:
         return f"Error performing DuckDuckGo search: {str(e)}"
 
-@tool # <--- CHANGED HERE
+@tool 
 def wikipedia_search(query: str) -> str:
     """Get Wikipedia summaries. Returns first 3 sentences."""
     print(f"DEBUG: wikipedia_search called with: {query}")
@@ -81,7 +81,7 @@ def wikipedia_search(query: str) -> str:
     except Exception as e:
         return f"Error performing Wikipedia search: {str(e)}"
 
-@tool # <--- CHANGED HERE
+@tool 
 def arxiv_search(query: str) -> str:
     """Search academic papers on arXiv. Returns top 3 results."""
     print(f"DEBUG: arxiv_search called with: {query}")
@@ -100,7 +100,7 @@ def arxiv_search(query: str) -> str:
     except Exception as e:
         return f"Error performing ArXiv search: {str(e)}"
 
-@tool # <--- CHANGED HERE
+@tool 
 def document_qa(input_str: str) -> str:
     """Answer questions from documents. Input format: 'document_text||question'"""
     print(f"DEBUG: document_qa called with: {input_str}")
@@ -117,17 +117,17 @@ def document_qa(input_str: str) -> str:
     except Exception as e:
         return f"Error answering question from document: {str(e)}"
 
-@tool # <--- CHANGED HERE
+@tool 
 def python_execution(code: str) -> str:
     """Execute Python code and return output.
-    The code should assign its final result to a variable named 'result'.
-    Example: 'result = 1 + 1'
+    The code should assign its final result to a variable named '_result_value'.
+    Example: '_result_value = 1 + 1'
     """
     print(f"DEBUG: python_execution called with: {code}")
     try:
         # Create isolated environment
         env = {}
-        # Wrap code in a function to isolate scope and capture 'result'
+        # Wrap code in a function to isolate scope and capture '_result_value'
         # The exec function is used carefully here. In a production environment,
         # consider a more robust and secure sandbox (e.g., Docker, dedicated service).
         exec(f"def __exec_fn__():\n{indent_code(code)}\n_result_value = __exec_fn__()", globals(), env)
@@ -137,7 +137,8 @@ def python_execution(code: str) -> str:
 
 class VideoTranscriptionTool(BaseTool):
     name: str = "transcript_video"
-    description: "Fetch text transcript from YouTube videos using URL or ID. Use for any question involving video or audio. Input is the YouTube URL or ID."
+    # CORRECTED LINE BELOW: Added '=' for assignment
+    description: str = "Fetch text transcript from YouTube videos using URL or ID. Use for any question involving video or audio. Input is the YouTube URL or ID." 
 
     def _run(self, url_or_id: str) -> str:
         print(f"DEBUG: transcript_video called with: {url_or_id}")
@@ -531,6 +532,7 @@ class BasicAgent:
 
 
 
+
 def run_and_submit_all( profile: gr.OAuthProfile | None):
     """
     Fetches all questions, runs the BasicAgent on them, submits all answers,