Update DocuChat.py

DocuChat.py

@@ -49,26 +49,26 @@ class LangchainConversation:
         self.chatbox.param.watch(self._chat, 'value')
         self.chat_history = []  # Chat history to store previous queries and responses
 
-def _chat(self, event):
-    user_message = event.new[-1]
-    input = user_message.get("User")
-    if input is None:
-        return
-    os.environ["OPENAI_API_KEY"] = self.openaikey.value
-    if self.file_input.value is not None:
-        file_path = "/.cache/temp.pdf"
-        self.file_input.save(file_path)
-        # Check if the uploaded file is a PDF
-        if self.file_input.filename.lower().endswith('.pdf'):
-            prompt_text = self.remove_empty_lines(input)
-            if prompt_text:
-                result = self.qa(file=file_path, query=prompt_text)
-                self.chatbox.append({"AI": result})
-        else:
-            # Delete the non-PDF file from cache
-            os.remove(file_path)
-            # Display an error message in the chatbox
-            self.chatbox.append({"AI": "Error: Only PDF files are allowed. Please upload a valid PDF file."})
+    def _chat(self, event):
+        user_message = event.new[-1]
+        input = user_message.get("User")
+        if input is None:
+            return
+        os.environ["OPENAI_API_KEY"] = self.openaikey.value
+        if self.file_input.value is not None:
+            file_path = "/.cache/temp.pdf"
+            self.file_input.save(file_path)
+            # Check if the uploaded file is a PDF
+            if self.file_input.filename.lower().endswith('.pdf'):
+                prompt_text = self.remove_empty_lines(input)
+                if prompt_text:
+                    result = self.qa(file=file_path, query=prompt_text)
+                    self.chatbox.append({"AI": result})
+            else:
+                # Delete the non-PDF file from cache
+                os.remove(file_path)
+                # Display an error message in the chatbox
+                self.chatbox.append({"AI": "Error: Only PDF files are allowed. Please upload a valid PDF file."})
 
     @staticmethod
     def remove_empty_lines(text):
@@ -104,7 +104,7 @@ def _chat(self, event):
 
         layout = pn.Column(
             pn.pane.Markdown(""" 
-            # DocuChat
+            # Docu-Chat
             AI-Powered Query Engine for Document Insights (powered by LangChain & OpenAI)  
             ## How it works:
             1) Upload a PDF