add workaround for data-apis/array-api#631

Author: jakevdp

.github/workflows/jax-array-api.yml

@@ -26,6 +26,10 @@ jobs:
         repository: data-apis/array-api-tests
         submodules: 'true'
         path: 'array-api-tests'
+    - name: Fix array-apis bug
+      # Temporary workaround for https://github.com/data-apis/array-api/issues/631 
+      run: |
+        sed -i -e 's/\\/\\\\/g' array-api-tests/array-api/spec/API_specification/signatures/*.py
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v1
       with: