fix anno_dendrogram

Author: DingWB

PyComplexHeatmap/annotations.py

@@ -1442,7 +1442,7 @@ def _type_specific_params(self):
 	def plot(self, ax=None, axis=1):
 		if 'tree_kws' not in self.plot_kws:
 			self.plot_kws['tree_kws']={}
-		self.plot_kws["tree_kws"].setdefault(colors=self.colors)
+		self.plot_kws["tree_kws"].setdefault("colors",self.colors)
 		# inint the DendrogramPlotter class object
 		ax.set_axis_off()
 		self.dend.plot(ax=ax,axis=axis,**self.plot_kws)