Try to exclude era5

docs/source/conf.py

@@ -54,6 +54,7 @@ nb_execution_allow_errors = True
 nbsphinx_kernel_name = 'python3'
 #nbsphinx_timeout = -1
 nb_execution_timeout = -1
+execution_excludepatterns = ['*era5*.ipynb']
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.