Update app.py

app.py

@@ -47,12 +47,12 @@ Answer:
 
 # ---------------- FILE LOADER ----------------
 def load_any(path: str):
-    path = path.lower()
-    if path.endswith(".pdf"):
+    p = path.lower()
+    if p.endswith(".pdf"):
         return PyPDFLoader(path).load()
-    if path.endswith(".txt"):
+    if p.endswith(".txt"):
         return TextLoader(path, encoding="utf-8").load()
-    if path.endswith(".docx"):
+    if p.endswith(".docx"):
         return Docx2txtLoader(path).load()
     return []