code: def _count_citations(aux_file):
      '''
      Counts the citations in an aux-file.
  
      @return: defaultdict(int) - {citation_name: number, ...}
      '''
      counter = defaultdict(int)
      with open(aux_file) as fobj:
          content = fobj.read()
  
      for match in CITE_PATTERN.finditer(content):
          name = match.groups()[0]
          counter[name] += 1
  
      return countef _count_citations(aux_file):
      '''
      Counts the citations in an aux-file.
  
      @return: defaultdict(int) - {citation_name: number, ...}
      '''
      counter = defaultdict(int)
      with open(aux_file) as fobj:
          content = fobj.read()
  
      for match in CITE_PATTERN.finditer(content):
          name = match.groups()[0]
          counter[name] += 1
  
      return counter
docs: Counts the citations in an aux-file.
  
      @return: defaultdict(int) - {citation_name: number, ...}