133: Avoid mutating node.test.comparators

Author: adrianbn

pyt/cfg/stmt_visitor.py

@@ -584,10 +584,10 @@ def visit_While(self, node):
  ))
 
  if isinstance(test, ast.Compare):
- comparators = test.comparators
- comparators.append(test.left) # quirk. See https://greentreesnakes.readthedocs.io/en/latest/nodes.html#Compare
+ # quirk. See https://greentreesnakes.readthedocs.io/en/latest/nodes.html#Compare
+ self.process_loop_funcs(test.left, while_node)
 
- for comp in comparators:
+ for comp in test.comparators:
  self.process_loop_funcs(comp, while_node)
  else: # while foo():
  self.process_loop_funcs(test, while_node)