message: code review: use isinstance(x, T) instead of issubclass(type(x),T)
diff: @@ -97,13 +97,13 @@ def test_limit_to_max_intervals():
  def _limit_plot_persistence(function):
  pplot = function(persistence=[])
  - assert issubclass(type(pplot), plt.axes.SubplotBase)
  + assert isinstance(pplot, plt.axes.SubplotBase)
  pplot = function(persistence=[], legend=True)
  - assert issubclass(type(pplot), plt.axes.SubplotBase)
  + assert isinstance(pplot, plt.axes.SubplotBase)
  pplot = function(persistence=[(0, float("inf"))])
  - assert issubclass(type(pplot), plt.axes.SubplotBase)
  + assert isinstance(pplot, plt.axes.SubplotBase)
  pplot = function(persistence=[(0, float("inf"))], legend=True)
  - assert issubclass(type(pplot), plt.axes.SubplotBase)
  + assert isinstance(pplot, plt.axes.SubplotBase)
  def test_limit_plot_persistence():
  