parameters: (self, arg)
return_statement: return None
docstring: Delete a breakpoint by its index in Breakpoint.bpbynumber.
  
          If arg is invalid, return an error message.
docstring_summary: Delete a breakpoint by its index in Breakpoint.bpbynumber.
docstring_tokens: Delete a breakpoint by its index in Breakpoint . bpbynumber .
function: def clear_bpbynumber(self, arg):
          """Delete a breakpoint by its index in Breakpoint.bpbynumber.
  
          If arg is invalid, return an error message.
          """
          try:
              bp = self.get_bpbynumber(arg)
          except ValueError as err:
              return str(err)
          bp.deleteMe()
          self._prune_breaks(bp.file, bp.line)
          return None
function_tokens: def clear_bpbynumber ( self , arg ) : try : bp = self . get_bpbynumber ( arg ) except ValueError as err : return str ( err ) bp . deleteMe ( ) self . _prune_breaks ( bp . file , bp . line ) return None