update env

environment.yml

@@ -6,8 +6,8 @@ channels:
 dependencies:
   - python=2.7.11
   - conda-forge::scipy=1.0.1
-  - conda-forge::numpy=1.14.2
-  - bcbio::bx-python=0.7.1
+  - conda-forge::numpy=1.16.2
+  - bcbio::bx-python=0.7.3
   - bioconda::pysam=0.14.1
   - cooler=0.8.3
   - bowtie2=2.3.5