Error: Fix Error temp_text accessed before assignment

app.py

@@ -57,7 +57,7 @@ def encode_docs(docs,maxlen = 64, stride = 32):
     spans = []
     file_names = []
     name, text = docs
-    
+    temp_text = ""
     text = text.split(" ")
     if len(text) < maxlen:
         text = " ".join(text)