update requirements.txt (#393)

* update requirements.txt

* pin werkzeug

* update flask-restful

requirements.txt

@@ -3,27 +3,23 @@
 boto3>=1.6.6
 colorlog>=4.2.1
 docutils==0.15
-# Flask>=0.12.3
-Flask==1.1.4 # TODO: remove when #345 is fixed
+Flask>=1.1.4
 Flask-HTTPAuth>=3.2.3
-Flask-RESTful>=0.3.6
+Flask-RESTful>=0.3.9
 flask-restful-swagger-2
 Flask-Cors>=3.0.3
 fluent-logger>=0.9.4
 google-cloud>=0.32.0
 google-cloud-bigquery<=3.0.0
 google-cloud-storage>=1.6.0
 gunicorn>=19.9.0
-joblib==0.15.1
-MarkupSafe==2.0.1 # TODO: remove when #345 is fixed
 matplotlib==3.3.4
 passlib>=1.7.1
 ply>=3.11
 psutil>=5.7.0
 python-json-logger
 python-magic>=0.4.15
 Sphinx>=1.7.1
-threadpoolctl==2.1.0
 redis>=2.10.6
 requests>=2.20.0
 rq>=0.10.0
@@ -34,6 +30,7 @@ geopandas
 rasterio==1.2.10
 pystac==0.5.6
 PyJWT
+werkzeug==2.0.3
 # required for running i.sentinel.download from GCS:
 pandas
 sentinelsat
@@ -45,8 +42,3 @@ tqdm
 # numpy>=1.15.4
 # pandas
 # Shapely
-
-# scikit-learn hints:
-# not installed with pip, but with apk in
-# actinia-docker/actinia-alpine/Dockerfile_alpine_dependencies
-# TODO: remove threadpoolctl and joblib if not needed anymore for scikit-learn