Fix * **nii2dcm:** Fixed check for the number of dicom ([21](https://github.com/deepc-health/nekton/issues/21)) ([`c3ec65d`](https://github.com/deepc-health/nekton/commit/c3ec65d9c2ee61709a4fd8ed80a2fb7d7cf43fcf))
Fix * **python-version:** Now python version 3.6.9 supported ([`b4ab299`](https://github.com/deepc-health/nekton/commit/b4ab299ec2344c82bff09ab73861dbe45202ea32))