[bug] Fix pyright and flake8 warnings

[leoniewgnr]

🔬 Background

Flake8 and pyright warnings in #1390

[github-actions]

Model Benchmark

Benchmark	Metric	main	current	diff
YosemiteTemps	MAE_val	1.3442	1.3442	0.0%	✅
YosemiteTemps	RMSE_val	2.00245	2.00245	0.0%	✅
YosemiteTemps	Loss_val	0.00077	0.00077	0.0%	✅
YosemiteTemps	MAE	1.3192	1.3192	0.0%	✅
YosemiteTemps	RMSE	2.13518	2.13518	0.0%	✅
YosemiteTemps	Loss	0.00064	0.00064	0.0%	✅
YosemiteTemps	time	73.6353	76.71	4.18%	⚠️
PeytonManning	MAE_val	0.58159	0.58159	0.0%	✅
PeytonManning	RMSE_val	0.72216	0.72216	0.0%	✅
PeytonManning	Loss_val	0.01239	0.01239	0.0%	✅
PeytonManning	MAE	0.41671	0.41671	0.0%	✅
PeytonManning	RMSE	0.55961	0.55961	0.0%	✅
PeytonManning	Loss	0.00612	0.00612	0.0%	✅
PeytonManning	time	15.6988	15.7	0.01%	✅
AirPassengers	MAE_val	13.0626	13.0626	0.0%	✅
AirPassengers	RMSE_val	15.9453	15.9453	0.0%	✅
AirPassengers	Loss_val	0.00131	0.00131	0.0%	✅
AirPassengers	MAE	9.88156	9.88156	0.0%	✅
AirPassengers	RMSE	11.7354	11.7354	0.0%	✅
AirPassengers	Loss	0.00052	0.00052	0.0%	✅
AirPassengers	time	6.69342	6.64	-0.8%	✅

Model training plots

Model Training

PeytonManning

YosemiteTemps

AirPassengers

[codecov]

Codecov Report

Merging #1392 (6fac1ed) into main (bb2ca36) will not change coverage.
The diff coverage is 75.00%.

@@           Coverage Diff           @@
##             main    #1392   +/-   ##
=======================================
  Coverage   89.81%   89.81%           
=======================================
  Files          38       38           
  Lines        5058     5058           
=======================================
  Hits         4543     4543           
  Misses        515      515           

Files Changed	Coverage Δ
neuralprophet/df_utils.py	94.50% <66.66%> (ø)
neuralprophet/utils_torch.py	90.69% <100.00%> (ø)