new change

src/main.py

@@ -36,10 +36,6 @@ class ChatWrapper:
                 raise ValueError(f'Invalid chain_type: {chain_type}')
         else:
             self.chain = None
-    
-    def clear_api_key(self):
-        if hasattr(self, 'api_key'):
-            del self.api_key
 
     def __call__(self, inp: str):
         self.lock.acquire()
@@ -52,8 +48,6 @@ class ChatWrapper:
             self.history.append((inp, output))
         except Exception as e:
             self.history.append((inp, f"An error occurred: {e}"))
-        finally:
-            self.clear_api_key() # API key is cleared after running each chain in the class
-            self.lock.release()
+        self.lock.release()
 
         return self.history