Update app.py

app.py

@@ -53,8 +53,11 @@ if not os.path.exists(repo_dir):
 else:
     print("Repository already exists, skipping clone...")
 ### 1. CREATE TEXT LOADER AND LOAD DOCUMENTS
-### NOTE: PAY ATTENTION TO THE PATH THEY ARE IN. 
-text_loader = TextLoader(repo_dir + "/paul_graham_essays.txt")
+### NOTE: PAY ATTENTION TO THE PATH THEY ARE IN.
+
+# 1. CREATE TEXT LOADER AND LOAD DOCUMENTS
+essays_path = os.path.join(repo_dir, "paul_graham_essays.txt")
+text_loader = TextLoader(essays_path)
 documents = text_loader.load()
 
 ### 2. CREATE TEXT SPLITTER AND SPLIT DOCUMENTS