code: def reset(self):
      self.template = None
      self.width = None
      self.height = None
      self.color_discrete_sequence = None
      self.color_discrete_map = {}
      self.color_continuous_scale = None
      self.symbol_sequence = None
      self.symbol_map = {}
      self.line_dash_sequence = None
      self.line_dash_map = {}
      self.pattern_shape_sequence = None
      self.pattern_shape_map = {}
      self.size_max = 20
      self.category_orders = {}
      self.labels = {}
  
imports: import plotly.graph_objs
  import plotly.io
  from collections import namedtuple, OrderedDict
  from ._special_inputs import IdentityMap, Constant, Range
  from .trendline_functions import ols, lowess, rolling, expanding, ewm
  from _plotly_utils.basevalidators import ColorscaleValidator
  from plotly.colors import qualitative, sequential
  import math
  from packaging import version
  import pandas
  import numpy
  from plotly._subplots import make_subplots, _set_trace_grid_reference, _subplot_type_for_trace_type
label_desc: Use image node_id 2 for calling the PxDefaults obj's underlying member method code with example usage: obj.reset() without return types