code: def is_bar(bar_containers, **props):
      """A test to decide whether a path is a bar from a vertical bar chart."""
  
      # is this patch in a bar container?
      for container in bar_containers:
          if props["mplobj"] in container:
              return True
      return False
  
imports: import math
  import warnings
  import matplotlib.dates
  from matplotlib import __version__
label_desc: Use image node_id 26 for calling a global function with example usage: is_bar(bar_containers) and returns: False, True