parameters: (self, filename, lineno)
return_statement: return None
docstring: Delete breakpoints for filename:lineno.
  
          If no breakpoints were set, return an error message.
docstring_summary: Delete breakpoints for filename:lineno.
docstring_tokens: Delete breakpoints for filename : lineno .
function: def clear_break(self, filename, lineno):
          """Delete breakpoints for filename:lineno.
  
          If no breakpoints were set, return an error message.
          """
          filename = self.canonic(filename)
          if filename not in self.breaks:
              return 'There are no breakpoints in %s' % filename
          if lineno not in self.breaks[filename]:
              return 'There is no breakpoint at %s:%d' % (filename, lineno)
          # If there's only one bp in the list for that file,line
          # pair, then remove the breaks entry
          for bp in Breakpoint.bplist[filename, lineno][:]:
              bp.deleteMe()
          self._prune_breaks(filename, lineno)
          return None
function_tokens: def clear_break ( self , filename , lineno ) : filename = self . canonic ( filename ) if filename not in self . breaks : return 'There are no breakpoints in %s' % filename if lineno not in self . breaks [ filename ] : return 'There is no breakpoint at %s:%d' % ( filename , lineno ) # If there's only one bp in the list for that file,line # pair, then remove the breaks entry for bp in Breakpoint . bplist [ filename , lineno ] [ : ] : bp . deleteMe ( ) self . _prune_breaks ( filename , lineno ) return None