Update app.py

app.py

@@ -434,7 +434,7 @@ def generate_text (prompt, file, history, rag_option, model_option, openai_api_k
     if (file == None):
         history_text_und_prompt = generate_prompt_with_history_openai(prompt, history)
     else:
-        prompt_neu = prompt + b64encode(file.read()).decode("utf-8")
+        prompt_neu = prompt + b64encode(file.decode("utf-8")
         history_text_und_prompt = generate_prompt_with_history_openai(prompt_neu, history)
         
     #history für HuggingFace Models formatieren