Traceback (most recent call last):


 "/home/bcolsen/spyder/spyder/plugins/ipythonconsole/plugin.py", line 1663, in restart_kernel

client.restart_kernel(stderr=stderr)
TypeError: restart_kernel() got an unexpected keyword argument 'stderr'

Traceback (most recent call last):



 "<ipython-input-28-234f3644a2c6>", line 1, in <module>

y.evalf(f)



 ".\sympy\core\evalf.py", line 1386, in evalf

prec = dps_to_prec(n)



 ".\mpmath\libmp\libmpf.py", line 67, in dps_to_prec

return max(1, int(round((int(n)+1)*3.3219280948873626)))



 ".\sympy\core\expr.py", line 207, in __int__

raise TypeError("can't convert symbols to int")

TypeError: can't convert symbols to int
