Your output

Optimization terminated successfully.

Current function value: $0\mathrm{.}665218$

Iterations $5$

Optimization terminated successfully.

Intercept $-6\mathrm{.}531346$

elo$\_$i $0\mathrm{.}004368$

dtype: float$64$

Expected output

Optimization terminated successfully.

Current function value: $0\mathrm{.}665218$

Iterations $5$

Intercept $-6\mathrm{.}531346$

elo$\_$i $0\mathrm{.}004368$

dtype: float$64$