Update app.py

app.py

@@ -73,22 +73,7 @@ from langchain.embeddings import HuggingFaceBgeEmbeddings
 from io import BytesIO
 from langchain.document_loaders import PyPDFLoader
 
-FILE_LOADER_MAPPING = {
-    "csv": (CSVLoader, {"encoding": "utf-8"}),
-    "doc": (UnstructuredWordDocumentLoader, {}),
-    "docx": (UnstructuredWordDocumentLoader, {}),
-    "epub": (UnstructuredEPubLoader, {}),
-    "html": (UnstructuredHTMLLoader, {}),
-    "md": (UnstructuredMarkdownLoader, {}),
-    "odt": (UnstructuredODTLoader, {}),
-    "pdf": (PyPDFLoader, {}),
-    "ppt": (UnstructuredPowerPointLoader, {}),
-    "pptx": (UnstructuredPowerPointLoader, {}),
-    "txt": (TextLoader, {"encoding": "utf8"}),
-    "ipynb": (NotebookLoader, {}),
-    "py": (PythonLoader, {}),
-    # Add more mappings for other file extensions and loaders as needed
-}
+
 
 
 # def load_model():
@@ -291,6 +276,22 @@ FILE_LOADER_MAPPING = {
 #     return result, sources
 
 def main():
+    FILE_LOADER_MAPPING = {
+    "csv": (CSVLoader, {"encoding": "utf-8"}),
+    "doc": (UnstructuredWordDocumentLoader, {}),
+    "docx": (UnstructuredWordDocumentLoader, {}),
+    "epub": (UnstructuredEPubLoader, {}),
+    "html": (UnstructuredHTMLLoader, {}),
+    "md": (UnstructuredMarkdownLoader, {}),
+    "odt": (UnstructuredODTLoader, {}),
+    "pdf": (PyPDFLoader, {}),
+    "ppt": (UnstructuredPowerPointLoader, {}),
+    "pptx": (UnstructuredPowerPointLoader, {}),
+    "txt": (TextLoader, {"encoding": "utf8"}),
+    "ipynb": (NotebookLoader, {}),
+    "py": (PythonLoader, {}),
+    # Add more mappings for other file extensions and loaders as needed
+    }