#NEWLINE# def _Kane_constant_symbols( self ) : #NEWLINE# #INDENT# 'Similar to ``_find_othersymbols()``, except it checks all syms used in\n        the system.\n\n        Remove the time symbol.\n\n        TODO temporary.\n\n        ' #NEWLINE# ( from_eoms , from_sym_lists ) = self . _Kane_inlist_insyms ( ) #NEWLINE# if sympy_equal_to_or_newer_than ( '0.7.6' ) : #NEWLINE# #INDENT# unique_symbols = set ( ) #NEWLINE# for expr in from_eoms : #NEWLINE# #INDENT# unique_symbols = unique_symbols . union ( expr . free_symbols ) #NEWLINE# #UNINDENT# constants = unique_symbols #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# constants = set ( self . eom_method . _find_othersymbols ( * self . _Kane_inlist_insyms ( ) ) ) #NEWLINE# #UNINDENT# constants . remove ( dynamicsymbols . _t ) #NEWLINE# return constants