remove HfApiModel after possible imports conflict with duckduckgo-search

agent.py

@@ -4,7 +4,7 @@ from smolagents import (
     DuckDuckGoSearchTool,
     VisitWebpageTool, 
     InferenceClientModel,
-    HfApiModel,
+    # HfApiModel, # import bug from smolagents after adding duckduckgo-search in requirements
     tool
 )
 from typing import List, Dict, Any, Optional
@@ -30,21 +30,23 @@ class QAgent:
         self.system_prompt = system_prompt
 
 
-        if model_type == "HfApiModel":
-            if api_key is None:
-                api_key = os.getenv("SP_HF_TOK")
-                if not api_key:
-                    raise ValueError("No API Key found for HuggingFace. Please set SP_HF_TOK or pass api_key.")
-            
-            if self.verbose:
-                print(f"Using Hugging Face token: {api_key[:5]}... (HfApiModel mode)")
-                
-            self.model = HfApiModel(
-                model_id=model_id or "Qwen/Qwen2.5-Coder-32B-Instruct", # précédemment : or "meta-llama/Llama-3-70B-Instruct",
-                token=api_key
-                # temperature=temperature
-            )
-        elif model_type == "InferenceClientModel":
+        # if model_type == "HfApiModel":
+        #     if api_key is None:
+        #         api_key = os.getenv("SP_HF_TOK")
+        #         if not api_key:
+        #             raise ValueError("No API Key found for HuggingFace. Please set SP_HF_TOK or pass api_key.")
+        #     
+        #     if self.verbose:
+        #         print(f"Using Hugging Face token: {api_key[:5]}... (HfApiModel mode)")
+        #         
+        #     self.model = HfApiModel(
+        #         model_id=model_id or "Qwen/Qwen2.5-Coder-32B-Instruct", # précédemment : or "meta-llama/Llama-3-70B-Instruct",
+        #         token=api_key
+        #         # temperature=temperature
+        #     )
+        # el
+        
+        if model_type == "InferenceClientModel":
             if api_key is None:
                 api_key = os.getenv("SP_HF_TOK")
                 if not api_key: