Create app.py

app.py

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+import gradio as gr
+import os
+from langchain_community.tools import WikipediaQueryRun
+from langchain_community.utilities import WikipediaAPIWrapper
+from langchain_groq import ChatGroq
+from langchain import hub
+from langchain.agents import create_tool_calling_agent, AgentExecutor
+
+api_wrapper = WikipediaAPIWrapper(top_k_results=2)
+wiki_tool = WikipediaQueryRun(api_wrapper=api_wrapper)
+
+# Wikipedia Search Tool
+tools = [wiki_tool]
+
+GROQ_API_KEY = os.environ["GROQ_API_KEY"]
+llm = ChatGroq(
+    model="mixtral-8x7b-32768",
+    temperature=0,
+    max_tokens=None,
+    timeout=None,
+    max_retries=2,
+    api_key=GROQ_API_KEY
+)
+
+prompt = hub.pull("hwchase17/openai-tools-agent")
+prompt.pretty_print()
+
+agent = create_tool_calling_agent(llm=llm, tools=tools, prompt=prompt)
+agent_executor =  AgentExecutor(agent=agent, tools=tools, verbose=False)
+
+def generate(query, api_key=""):
+  output = agent_executor.invoke({"input": query})["output"]
+  return output
+
+with gr.Blocks() as demo:
+  gr.Markdown("""
+  ## Question Answering Agent with GROQ, Mixtral-8x7B, and LangChain
+
+  This is general question answering agent was created using Mixtral-8x7B LLM through GROQ, a Wikipedia search tool, and LangChain. 
+  """)
+  gr.Markdown("#### Enter your question")
+  with gr.Row():
+    with gr.Column():
+      ques = gr.Textbox(label="Question", placeholder="Enter text here", lines=2)
+    with gr.Column():
+      ans = gr.Textbox(label="Answer", lines=4, interactive=False)
+  with gr.Row():
+    with gr.Column():
+      btn = gr.Button("Submit")
+    with gr.Column():
+      clear = gr.ClearButton([ques, ans])
+
+  btn.click(fn=generate, inputs=[ques], outputs=[ans])
+  examples = gr.Examples(
+        examples=[
+            "When is Leonhard Euler's birthday?",
+            "Who were the 3 main characters in GTA V?",
+            "Who was the voice actor for Kratos in God of War: Ragnarok?",
+            "How much did 'Deadpool and Wolverine' make at the global box office?",
+            "Who was the last monarch of Ethiopia?",
+        ],
+        inputs=[ques],
+    )
+
+demo.queue().launch(debug=True)