fix err in prompt

app.py

@@ -160,7 +160,7 @@ def chat_response(user_msg, chat_history, system_prompt,
         if search_results:
             
             enriched = system_prompt.strip() + \
-'''# The following contents are the search results related to the user's message:
+f'''# The following contents are the search results related to the user's message:
 {search_results}
 In the search results I provide to you, each result is formatted as [webpage X begin]...[webpage X end], where X represents the numerical index of each article. Please cite the context at the end of the relevant sentence when appropriate. Use the citation format [citation:X] in the corresponding part of your answer. If a sentence is derived from multiple contexts, list all relevant citation numbers, such as [citation:3][citation:5]. Be sure not to cluster all citations at the end; instead, include them in the corresponding parts of the answer.
 When responding, please keep the following points in mind:
@@ -174,7 +174,7 @@ When responding, please keep the following points in mind:
 - Your answer should synthesize information from multiple relevant webpages and avoid repeatedly citing the same webpage.
 - Unless the user requests otherwise, your response should be in the same language as the user's question.
 # The user's message is:
-{question}'''
+'''
         else:
             enriched = system_prompt
 
@@ -191,7 +191,7 @@ When responding, please keep the following points in mind:
         # merge fetched snippets into the system prompt
         if search_results:
             enriched = system_prompt.strip() + \
-'''# The following contents are the search results related to the user's message:
+f'''# The following contents are the search results related to the user's message:
 {search_results}
 In the search results I provide to you, each result is formatted as [webpage X begin]...[webpage X end], where X represents the numerical index of each article. Please cite the context at the end of the relevant sentence when appropriate. Use the citation format [citation:X] in the corresponding part of your answer. If a sentence is derived from multiple contexts, list all relevant citation numbers, such as [citation:3][citation:5]. Be sure not to cluster all citations at the end; instead, include them in the corresponding parts of the answer.
 When responding, please keep the following points in mind:
@@ -205,7 +205,7 @@ When responding, please keep the following points in mind:
 - Your answer should synthesize information from multiple relevant webpages and avoid repeatedly citing the same webpage.
 - Unless the user requests otherwise, your response should be in the same language as the user's question.
 # The user's message is:
-{question}'''
+'''
         else:
             enriched = system_prompt