diff --git a/scrapegraphai/graphs/speech_graph.py b/scrapegraphai/graphs/speech_graph.py
index 2ba10db9..d1d6f94b 100644
--- a/scrapegraphai/graphs/speech_graph.py
+++ b/scrapegraphai/graphs/speech_graph.py
@@ -111,7 +111,7 @@ class SpeechGraph(AbstractGraph):
         Returns:
             str: The answer to the prompt.
         """
-        
+
         inputs = {"user_prompt": self.prompt, self.input_key: self.source}
         self.final_state, self.execution_info = self.graph.execute(inputs)
 
@@ -122,4 +122,4 @@ class SpeechGraph(AbstractGraph):
             "output_path", "output.mp3"))
         print(f"Audio saved to {self.config.get('output_path', 'output.mp3')}")
 
-        return self.final_state.get("answer", "No answer found.")
\ No newline at end of file
+        return self.final_state.get("answer", "No answer found.")