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Improve code readability by simplifying complex logic, using Pythonic idioms, and removing unnecessary code. Extract helper functions for complex conditions, avoid code duplication, and leverage Python’s built-in features for cleaner code.

Key practices:

• Extract helper functions for complex boolean conditions instead of inline logic
• Use Pythonic idioms like if not items: instead of items == [] (PEP 8)
• Leverage walrus operator := to reduce redundant dictionary lookups
• Avoid code duplication by refactoring common patterns
• Remove commented-out code and unused imports - git tracks history
• Simplify repeated conditional checks with single variables

Example:

# Instead of:
if self.save_only_first_rank and not self.metadata.is_first_rank():
    return

# Use a helper function:
def is_passive(self):
    return self.save_only_first_rank and not self.metadata.is_first_rank()

if self.is_passive():
    return

# Instead of:
if memory_objs == []:
    return

# Use Pythonic style:
if not memory_objs:
    return