In [3]: pyradex.Radex(species='c2h_h2_e', collider_densities={'H2': 1e3, 'E':1e-3}, abundance=1e-8, temperature=30)()
*** Warning: Assuming thermal o/p ratio for H2 of 3.0517887472151187E-002
*** Warning: Assuming thermal o/p ratio for H2 of 3.0517887472151187E-002
*** Warning: No rates found for any collision partner
Currently fails with: