mode.chained_assignment: Balancing Warnings and Noise in Pandas
In pandas, the option mode.chained_assignment controls whether a UserWarning is emitted, an exception is raised, or the detection is disabled for chained assignment patterns. When set to 'warn' , the library emits a warning each time it heuristically detects a chained assignment, but the warning may be filtered out by IDE or logging configurations, producing
pandas