set versions

Author: mthrok

.circleci/unittest/linux/scripts/environment.yml

@@ -7,10 +7,11 @@ dependencies:
   - pytest
   - pytest-cov
   - codecov
-  - librosa>=0.8.0
+  - librosa=0.8.0
   - llvmlite==0.31  # See https://github.com/pytorch/audio/pull/766
-  - pip
+  - numpy=1.19.1
+  - pip=20.2.3
   - pip:
-    - kaldi-io
-    - scipy
-    - parameterized
+    - kaldi-io==0.9.4
+    - scipy==1.5.2
+    - parameterized==0.7.4