Update installation requirements

.gitpod.Dockerfile

@@ -1,7 +1,7 @@
 FROM python:3.7
 
 RUN  apt-get update && apt-get install --assume-yes --no-install-recommends python3-pip>=20.0.2 nodejs>=10.15.2 \
- && apt-get clean && rm -rf /var/lib/apt/lists/*
+ ffmpeg libsm6 libxext6 && apt-get clean && rm -rf /var/lib/apt/lists/*
 COPY requirements.txt .
 RUN  pip3 install -r requirements.txt
 WORKDIR /workspace/atomai

requirements.txt

@@ -1,13 +1,13 @@
 setuptools>=41.0.1
 flake8>=3.7.9
 matplotlib>=3.1.1
-torchvision>=0.2.1
+torchvision>=0.9.0
 gdown>=3.8.1
-torch>=1.0.0
+torch>=1.8.0
 numpy>=1.16.4 
 scipy>=1.3.0
 scikit-learn>=0.22.1
 scikit-image>=0.16.2
 opencv-python>=4.1.0
 networkx>=2.5
-mendeleev>=0.6.0
+mendeleev<=0.6.1

requirements_rtd.txt

@@ -9,4 +9,4 @@ sphinx==3.0.0
 sphinx_autodoc_typehints>=1.11.0
 recommonmark>=0.6.0
 sphinx_rtd_theme>=0.5.0
-mendeleev>=0.6.0
+mendeleev<=0.6.1

setup.py

@@ -34,8 +34,8 @@
             'scikit-image>=0.16.2',
             'opencv-python>=4.1.0',
             'networkx>=2.5',
-            'mendeleev>=0.6.0',
-            'torchvision>=0.2.1'
+            'mendeleev<=0.6.1',
+            'torchvision>=0.8.0'
         ],
         classifiers=['Programming Language :: Python',
                      'Development Status :: 3 - Alpha',