update release-action and fix pylint

Author: akoryagin

.github/workflows/release.yml

@@ -0,0 +1,28 @@
+name: release
+
+on:
+  release:
+    types: [released]
+
+
+jobs:
+
+  pypi:
+    runs-on: ubuntu-latest
+
+    container:
+      image: analysiscenter1/ds-py3
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Install dependencies
+      run: pip3 install --upgrade setuptools wheel twine
+
+    - name: Build and publish
+      env:
+        TWINE_USERNAME: __token__
+        TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
+      run: |
+        python3 setup.py sdist bdist_wheel
+        twine upload --repository pypi dist/*

pydens/model_torch.py

@@ -40,9 +40,9 @@ def __init__(self, ndims, initial_condition=None, boundary_condition=None, domai
             elif isinstance(domain[0], (tuple, list)):
                 pass
             else:
-                raise ValueError(f'Should be either 1d or 2d-sequence of float/ints.')
+                raise ValueError('Should be either 1d or 2d-sequence of float/ints.')
         else:
-            raise ValueError(f'Should be either 1d or 2d-sequence of float/ints.')
+            raise ValueError('Should be either 1d or 2d-sequence of float/ints.')
         self.domain = domain
 
         # Initialize trainable variables for anzatc-trasform to bind initial