update conda env

Author: maxibor

environment.yml

@@ -12,7 +12,7 @@ dependencies:
   - pandoc=2.11.4
   - pip=21.0.1
   - pysam=0.16.0.1
-  - python=3.8.6
+  - python
   - python-rocksdb=0.7.0
   - recommonmark=0.7.1
   - rocksdb=6.13.3
@@ -28,4 +28,4 @@ dependencies:
   - sphinx_rtd_theme=0.5.1
   - sphinxcontrib-serializinghtml=1.1.4
   - tqdm=4.56.0
-  - xopen=1.1.
+  - xopen=1.1