cldf / cldfviz

  File "/home/robert/venvs/ll/lib/python3.10/site-packages/cldfviz/tree.py", line 21, in clean_node_label
    s = s.replace(c, '_')
AttributeError: 'NoneType' object has no attribute 'replace'

cldfviz/src/cldfviz/tree.py

Lines 19 to 22 in 87e5b38

    
           def clean_node_label(s): 
        
               for c in RESERVED_PUNCTUATION: 
        
                   s = s.replace(c, '_') 
        
               return s.replace(' ', '_')

	def clean_node_label(s):
	for c in RESERVED_PUNCTUATION:
	s = s.replace(c, '_')
	return s.replace(' ', '_')

Must guard against empty node labels