--------------------------------------------------------------------------- TypeError Traceback (most recent call last) /home/eric/sage/py3/local/lib/python3.6/site-packages/sage/symbolic/function_factory.py in function_factory(name, nargs, latex_name, conversions, evalf_params_first, eval_func, evalf_func, conjugate_func, real_part_func, imag_part_func, derivative_func, tderivative_func, power_func, series_func, print_func, print_latex_func) 109 setattr(NewSymbolicFunction, '_%s_'%func_name, func) 110 --> 111 return NewSymbolicFunction() 112 113 /home/eric/sage/py3/local/lib/python3.6/site-packages/sage/symbolic/function_factory.py in __init__(self) 55 """ 56 SymbolicFunction.__init__(self, name, nargs, latex_name, ---> 57 conversions, evalf_params_first) 58 59 def _maxima_init_(self): /home/eric/sage/py3/local/lib/python3.6/site-packages/sage/symbolic/function.pyx in sage.symbolic.function.SymbolicFunction.__init__ (build/cythonized/sage/symbolic/function.cpp:13448)() 1151 """ 1152 self.__hinit = False -> 1153 Function.__init__(self, name, nargs, latex_name, conversions, 1154 evalf_params_first) 1155 /home/eric/sage/py3/local/lib/python3.6/site-packages/sage/symbolic/function.pyx in sage.symbolic.function.Function.__init__ (build/cythonized/sage/symbolic/function.cpp:4322)() 113 114 if not self._is_registered(): --> 115 self._register_function() 116 117 global sfunction_serial_dict /home/eric/sage/py3/local/lib/python3.6/site-packages/sage/symbolic/function.pyx in sage.symbolic.function.Function._register_function (build/cythonized/sage/symbolic/function.cpp:4548)() 148 """ 149 cdef GFunctionOpt opt --> 150 opt = g_function_options_args(str_to_bytes(self._name), self._nargs) 151 152 if hasattr(self, '_eval_'): /home/eric/sage/py3/local/lib/python3.6/site-packages/sage/cpython/string.pxd in sage.cpython.string.str_to_bytes (build/cythonized/sage/symbolic/function.cpp:17778)() 90 # compile-time variable. We keep the Cython wrapper to deal with 91 # the default arguments. ---> 92 return _str_to_bytes(s, encoding, errors) TypeError: expected str, bytes found Exception ignored in: 'sage.libs.pynac.pynac.py_get_serial_for_new_sfunction' Traceback (most recent call last): File "/home/eric/sage/py3/local/lib/python3.6/site-packages/sage/symbolic/function_factory.py", line 111, in function_factory return NewSymbolicFunction() File "/home/eric/sage/py3/local/lib/python3.6/site-packages/sage/symbolic/function_factory.py", line 57, in __init__ conversions, evalf_params_first) File "sage/symbolic/function.pyx", line 1153, in sage.symbolic.function.SymbolicFunction.__init__ (build/cythonized/sage/symbolic/function.cpp:13448) File "sage/symbolic/function.pyx", line 115, in sage.symbolic.function.Function.__init__ (build/cythonized/sage/symbolic/function.cpp:4322) File "sage/symbolic/function.pyx", line 150, in sage.symbolic.function.Function._register_function (build/cythonized/sage/symbolic/function.cpp:4548) File "sage/cpython/string.pxd", line 92, in sage.cpython.string.str_to_bytes (build/cythonized/sage/symbolic/function.cpp:17778) TypeError: expected str, bytes found --------------------------------------------------------------------------- TypeError Traceback (most recent call last) /home/eric/sage/py3/local/lib/python3.6/site-packages/sage/symbolic/function_factory.py in function_factory(name, nargs, latex_name, conversions, evalf_params_first, eval_func, evalf_func, conjugate_func, real_part_func, imag_part_func, derivative_func, tderivative_func, power_func, series_func, print_func, print_latex_func) 109 setattr(NewSymbolicFunction, '_%s_'%func_name, func) 110 --> 111 return NewSymbolicFunction() 112 113 /home/eric/sage/py3/local/lib/python3.6/site-packages/sage/symbolic/function_factory.py in __init__(self) 55 """ 56 SymbolicFunction.__init__(self, name, nargs, latex_name, ---> 57 conversions, evalf_params_first) 58 59 def _maxima_init_(self): /home/eric/sage/py3/local/lib/python3.6/site-packages/sage/symbolic/function.pyx in sage.symbolic.function.SymbolicFunction.__init__ (build/cythonized/sage/symbolic/function.cpp:13448)() 1151 """ 1152 self.__hinit = False -> 1153 Function.__init__(self, name, nargs, latex_name, conversions, 1154 evalf_params_first) 1155 /home/eric/sage/py3/local/lib/python3.6/site-packages/sage/symbolic/function.pyx in sage.symbolic.function.Function.__init__ (build/cythonized/sage/symbolic/function.cpp:4322)() 113 114 if not self._is_registered(): --> 115 self._register_function() 116 117 global sfunction_serial_dict /home/eric/sage/py3/local/lib/python3.6/site-packages/sage/symbolic/function.pyx in sage.symbolic.function.Function._register_function (build/cythonized/sage/symbolic/function.cpp:4548)() 148 """ 149 cdef GFunctionOpt opt --> 150 opt = g_function_options_args(str_to_bytes(self._name), self._nargs) 151 152 if hasattr(self, '_eval_'): /home/eric/sage/py3/local/lib/python3.6/site-packages/sage/cpython/string.pxd in sage.cpython.string.str_to_bytes (build/cythonized/sage/symbolic/function.cpp:17778)() 90 # compile-time variable. We keep the Cython wrapper to deal with 91 # the default arguments. ---> 92 return _str_to_bytes(s, encoding, errors) TypeError: expected str, bytes found Exception ignored in: 'sage.libs.pynac.pynac.py_get_serial_for_new_sfunction' Traceback (most recent call last): File "/home/eric/sage/py3/local/lib/python3.6/site-packages/sage/symbolic/function_factory.py", line 111, in function_factory return NewSymbolicFunction() File "/home/eric/sage/py3/local/lib/python3.6/site-packages/sage/symbolic/function_factory.py", line 57, in __init__ conversions, evalf_params_first) File "sage/symbolic/function.pyx", line 1153, in sage.symbolic.function.SymbolicFunction.__init__ (build/cythonized/sage/symbolic/function.cpp:13448) File "sage/symbolic/function.pyx", line 115, in sage.symbolic.function.Function.__init__ (build/cythonized/sage/symbolic/function.cpp:4322) File "sage/symbolic/function.pyx", line 150, in sage.symbolic.function.Function._register_function (build/cythonized/sage/symbolic/function.cpp:4548) File "sage/cpython/string.pxd", line 92, in sage.cpython.string.str_to_bytes (build/cythonized/sage/symbolic/function.cpp:17778) TypeError: expected str, bytes found