old_contents: import sys
  import patch_utils
  
  def conflicts(patches):
  	patches_files = map(lambda x : (x, patch_utils.modified_classes(x)), patches)
  	modified_classes = {}
  	for name, classes in patches_files:
  		for c in classes:
  			modified_classes[c] = modified_classes.get(c, [])
  			modified_classes[c].append(name)
  
  	conflict_classes = {clave: valor for clave, valor in modified_classes.items() if len(valor) > 1}
  	return conflict_classes
  
  
  
  if __name__ == "__main__":
  	for conflict, patches in conflicts(sys.argv[1:]).items():
  		print(conflict)
  		for patch in patches:
  			print("\t- " + patch)
  	
new_contents: import sys
  import patch_utils
  
  def conflicts(patches):
      patches_files = map(lambda x : (x, patch_utils.modified_classes(x)), patches)
      modified_classes = {}
      for name, classes in patches_files:
          for c in classes:
              modified_classes[c] = modified_classes.get(c, [])
              modified_classes[c].append(name)
  
      conflict_classes = {clave: valor for clave, valor in modified_classes.items() if len(valor) > 1}
      return conflict_classes
  
  
  
  if __name__ == "__main__":
      for conflict, patches in conflicts(sys.argv[1:]).items():
          print(conflict)
          for patch in patches:
              print("\t- " + patch)
      
subject: Fix indentation