class_docstr: Main spectrum plot
docstr: Clear baseline curve
docstr_tok: ["Clear","baseline","curve"]
code: def clear_baseline(self):
      """Clear baseline curve"""
      self.curve_baseline.clear()
  
imports: import collections, math
  from Qt import QtCore
  import pyqtgraph
label_desc: Use image node_id 26 for calling the SpectrumPlotWidget obj's underlying member method code with example usage: obj.clear_baseline() without return types