Update PreProcessing.py

PreProcessing.py

@@ -36,7 +36,7 @@ def execute():
             documents.extend(loader.load())
         elif file.endswith('.docx') or file.endswith('.doc'):
             doc_path = './DataSource/' + file
-            loader = Docx2txtLoader(doc_path, decoding='latin-1')
+            loader = Docx2txtLoader(doc_path)
             documents.extend(loader.load())
         elif file.endswith('.txt'):
             text_path = './DataSource/' + file