Relax requirements

Signed-off-by: Beat Buesser <[email protected]>

Author: Beat Buesser

requirements.txt

@@ -28,7 +28,7 @@ catboost==0.24.1
 GPy==1.9.9
 lightgbm==3.0.0
 xgboost==1.3.1
-kornia==0.4.0
+kornia~=0.4.0
 
 # Lingvo ASR dependencies
 # supported versions: (lingvo==0.6.4 with tensorflow-gpu==2.1.0)
@@ -37,12 +37,12 @@ kornia==0.4.0
 #lingvo==0.6.4
 
 # other
-pytest==5.4.1
-pytest-pep8==1.0.6
-pytest-mock==3.3.1
-pytest-cov==2.10.1
-codecov==2.1.9
-requests==2.24.0
+pytest~=5.4.1
+pytest-pep8~=1.0.6
+pytest-mock~=3.3.1
+pytest-cov~=2.10.1
+codecov~=2.1.9
+requests~=2.24.0