Minor fixes

[gitosaurus]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.39%. Comparing base (a6b83d8) to head (e3d1c33).

Additional details and impacted files

@@               Coverage Diff                @@
##           non-uniq-idx     #170      +/-   ##
================================================
+ Coverage         99.20%   99.39%   +0.19%     
================================================
  Files                14       14              
  Lines              1001      998       -3     
================================================
- Hits                993      992       -1     
+ Misses                8        6       -2     

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[github-actions]

Before [1a2a1d2]	After [526ed2e]	Ratio	Benchmark (Parameter)
29.7±5ms	36.7±6ms	~1.24	benchmarks.ReassignHalfOfNestedSeries.time_run
22.0±0.1ms	22.5±0.6ms	1.03	benchmarks.AssignSingleDfToNestedSeries.time_run
9.04±0.1ms	9.17±0.1ms	1.02	benchmarks.NestedFrameAddNested.time_run
7.72±0.08ms	7.80±0.06ms	1.01	benchmarks.NestedFrameQuery.time_run
1.57±0.01ms	1.58±0.03ms	1.01	benchmarks.NestedFrameReduce.time_run
266M	266M	1.00	benchmarks.AssignSingleDfToNestedSeries.peakmem_run
88.4M	88.2M	1.00	benchmarks.NestedFrameAddNested.peakmem_run
93.1M	93.1M	1.00	benchmarks.NestedFrameQuery.peakmem_run
91.8M	91.7M	1.00	benchmarks.NestedFrameReduce.peakmem_run
285M	285M	1.00	benchmarks.ReassignHalfOfNestedSeries.peakmem_run

Click here to view all benchmarks.

[hombit]

Part of #169