updateed app.py, added file to check if v1 is already changed

app.py

@@ -1,24 +1,24 @@
-#import pydantic
-#module_file_path = pydantic.__file__
+import pydantic
+module_file_path = pydantic.__file__
 
-#module_file_path = module_file_path.split('pydantic')[0] + 'haystack'
+module_file_path = module_file_path.split('pydantic')[0] + 'haystack'
 
-#import os
-#import fileinput
+import os
+import fileinput
 
 
-#def replace_string_in_files(folder_path, old_str, new_str):
-#    for subdir, dirs, files in os.walk(folder_path):
-#        for file in files:
-#            file_path = os.path.join(subdir, file)
+def replace_string_in_files(folder_path, old_str, new_str):
+    for subdir, dirs, files in os.walk(folder_path):
+        for file in files:
+            file_path = os.path.join(subdir, file)
 
             # Check if the file is a text file (you can modify this condition based on your needs)
-#            if file.endswith(".txt") or file.endswith(".py"):
-#                # Open the file in place for editing
-#                with fileinput.FileInput(file_path, inplace=True) as f:
-#                    for line in f:
-#                        # Replace the old string with the new string
-#                        print(line.replace(old_str, new_str), end='')
+            if file.endswith(".txt") or file.endswith(".py"):
+                # Open the file in place for editing
+                with fileinput.FileInput(file_path, inplace=True) as f:
+                    for line in f:
+                        # Replace the old string with the new string
+                        print(line.replace(old_str, new_str), end='')
 
 #with open('change_log.txt','r') as f:
 #    status = f.readlines()