Update requirements for python 3.8+ compatibility

Author: jsingh811

requirements/requirements.txt

@@ -1,9 +1,21 @@
-numpy==1.16.4
+numpy==1.20.2
 matplotlib==3.1.2
-scipy==1.3.0
-scikit-learn==0.21.2
+scipy==1.6.3
+scikit-learn==0.24.2
 simplejson==3.16.0
 eyed3==0.9.5
 pydub==0.23.1
 pyAudioAnalysis==0.2.5
-pytest>=5.4.2
+pytest==6.2.3
+rsa==3.4.2
+bleach==3.3.0
+docutils==0.17.1
+Pygments==2.8.1
+jmespath==0.9.5
+urllib3==1.26.4
+colorama==0.4.3
+PyYAML==5.3
+requests==2.25.1
+tqdm==4.60.0
+pkginfo==1.7.0
+keyring==23.0.1