Update requirements.txt

Author: just-simon-5

requirements.txt

@@ -1,14 +1,14 @@
-numpy>=1.19.2,<2,
-pandas>=1.2.2,
-python>=3.6,
-scikit-learn>=0.23.2,
-scanpy>=1.7.0,
-six>=1.15.0,
-setuptools>=52.0.0,
-joblib>=1.0.0,
-mkl-service>=2.3.0,
-h5py >=3.1.0,
-seaborn,
-scipy,
-python-dateutil >=2.8.1,
-openssl >=1.0.1
+numpy>=1.19.2,<2
+pandas>=1.2.2
+python>=3.6
+scikit-learn>=0.23.2
+scanpy>=1.7.0
+six>=1.15.0
+setuptools>=52.0.0
+joblib>=1.0.0
+mkl-service>=2.3.0
+h5py>=3.1.0
+seaborn
+scipy
+python-dateutil>=2.8.1
+openssl>=1.0.1