fix: comparison to_json pd.Series encoding error #1890

Job	Run time
Coverage \| python 3.8, ubuntu-22.04, pandas>1.1, numpy	27m 55s
Tests \| python 3.8, ubuntu-22.04, pandas>1.1, numpy	9m 58s
Tests Spark \| python 3.7, ubuntu-22.04, spark2.3.0, pandas==0.25.3, numpy	4m 37s
Tests Spark \| python 3.7, ubuntu-22.04, spark2.4.7, pandas==0.25.3, numpy	3m 25s
Tests Spark \| python 3.7, ubuntu-22.04, spark3.0.1, pandas==0.25.3, numpy	3m 54s
Tests Spark \| python 3.7, ubuntu-22.04, spark2.3.0, pandas==1.0.5, numpy	4m 12s
Tests \| python 3.7.16, macos-latest, pandas>1.1, numpy	11m 4s
Tests Spark \| python 3.7, ubuntu-22.04, spark2.4.7, pandas==1.0.5, numpy	3m 7s
Tests Spark \| python 3.7, ubuntu-22.04, spark3.0.1, pandas==1.0.5, numpy	2m 31s
Tests \| python 3.7.16, ubuntu-22.04, pandas>1.1, numpy	8m 42s
Tests Spark \| python 3.7, ubuntu-22.04, spark2.3.0, pandas>1.1, numpy	2m 48s
Tests \| python 3.9, ubuntu-22.04, pandas>1.1, numpy	8m 49s
Tests Spark \| python 3.7, ubuntu-22.04, spark2.4.7, pandas>1.1, numpy	3m 44s
Tests \| python 3.10, ubuntu-22.04, pandas>1.1, numpy	9m 2s
Tests Spark \| python 3.7, ubuntu-22.04, spark3.0.1, pandas>1.1, numpy	2m 37s
Tests \| python 3.11, ubuntu-22.04, pandas>1.1, numpy	7m 35s
Tests Spark \| python 3.8, ubuntu-22.04, spark3.0.1, pandas==0.25.3, numpy	2m 39s
Tests Spark \| python 3.8, ubuntu-22.04, spark3.0.1, pandas==1.0.5, numpy	3m 6s
Tests Spark \| python 3.8, ubuntu-22.04, spark3.0.1, pandas>1.1, numpy	3m 34s
	2h 3m 19s

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