class_docstr: Filter field skip log messges.
  
  At most, one message per field skipped per loop will be passed.
code: def __init__(self, name=""):
      super().__init__(name)
      self.seen_msgs = set()
  
file_path: Fiona/fiona/logutils.py
imports: import logging
label_desc: Use image node_id 1 to create a new FieldSkipLogFilter object from inherited base classes: logging with example: obj = FieldSkipLogFilter(name)