Kipoi-veff

- fix None handling
- usage of new kipoi_utils / kipoi_conda packages

Changes

- speedup `SyncBatchWriter`
- remove the `urllib<1.23"`dependency constraint
- add `intervaltree<3`dependency constraint

Features

- https://github.com/kipoi/kipoi-veff/pull/26 added `--singularity` to score_variants and `create_mutation_map` command line tools

Features

- Leverage `kipoi.writers` and write to extra files in batches instead of storing all the predictions in memory and then writing to the file
- **NOTE** when using `--extra_output=<file>`, the column names will be slightly different than in the previous version

Bugfix
- Allow to skip writing to a vcf file when `output_vcf` is not specified in `score_variants`

Bugfix

- don't check if the output directory exists when not using vcf_output https://github.com/kipoi/kipoi-veff/commit/65ff7cd4c8689b93353814420d7b6fcd474229d4

- don't require the dataloader to return the .bed name field as a metadata id anymore
- make compliant with kipoiseq dataloaders by using the model schema instead of datalaoder schema to infer the model input dimensions