Verbose pip install and failed assertion message

Author: ricardoV94

.github/workflows/test.yml

@@ -120,10 +120,10 @@ jobs:
           mamba install --yes -q "python~=${PYTHON_VERSION}=*_cpython" mkl numpy scipy pip mkl-service graphviz cython pytest coverage pytest-cov pytest-benchmark sympy
           if [[ $INSTALL_NUMBA == "1" ]]; then mamba install --yes -q -c conda-forge "python~=${PYTHON_VERSION}=*_cpython" "numba>=0.57" numba-scipy; fi
           mamba install --yes -q -c conda-forge "python~=${PYTHON_VERSION}=*_cpython" jax jaxlib numpyro
-          pip install -e ./
+          pip install -vvv -e ./
           mamba list && pip freeze
           python -c 'import pytensor; print(pytensor.config.__str__(print_doc=False))'
-          python -c 'import pytensor; assert(pytensor.config.blas__ldflags != "")'
+          python -c 'import pytensor; assert pytensor.config.blas__ldflags != "", "Blas flags are empty"'
         env:
           PYTHON_VERSION: ${{ matrix.python-version }}
           INSTALL_NUMBA: ${{ matrix.install-numba }}