remove optional dependency only required on unsupported Python version #188
| Job | Run time |
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| 1m 9s | |
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| 1m 16s | |
| 1m 2s | |
| 1m 13s | |
| 1m 43s | |
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| 2m 11s | |
| 4s | |
| 0s | |
| 12m 54s |
| Job | Run time |
|---|---|
| 43s | |
| 1m 9s | |
| 50s | |
| 44s | |
| 1m 16s | |
| 1m 2s | |
| 1m 13s | |
| 1m 43s | |
| 39s | |
| 38s | |
| 42s | |
| 2m 11s | |
| 4s | |
| 0s | |
| 12m 54s |