Traceback (most recent call last):


 "/home/utanko/.local/lib/python3.6/site-packages/requests/packages/urllib3/util/timeout.py", line 124, in _validate_timeout

float(value)
TypeError: float() argument must be a string or a number, not 'Timeout'

Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "/home/eward/se/sympy/solvers/solvers.py", line 1171, in solve

solution = _solve(f[0], *symbols, **flags)


 "/home/eward/se/sympy/solvers/solvers.py", line 1687, in _solve

soln = list(ordered({i.subs(t, s) for i in iv for s in soln}))


 "/home/eward/se/sympy/core/compatibility.py", line 715, in ordered

for v in d[k]:


 "/home/eward/se/sympy/core/compatibility.py", line 715, in ordered

for v in d[k]:


 "/home/eward/se/sympy/core/compatibility.py", line 702, in ordered

for k in sorted(d.keys()):


 "/home/eward/se/sympy/core/expr.py", line 412, in __lt__

raise TypeError("Invalid NaN comparison")
TypeError: Invalid NaN comparison
