CI: more workaround to ensure we patch the requirements before trying to install them

Author: bsipocz

tox.ini

@@ -38,13 +38,20 @@ deps =
     devdeps: git+https://github.com/astropy/pyvo.git#egg=pyvo
     devdeps: git+https://github.com/astropy/astroquery.git#egg=astroquery
 
-allowlist_externals = bash, sed
+allowlist_externals = bash, sed, pytest
 
-commands =
-    pip freeze
 
+install_command =
     # lsdb has tighter minimum dependencies, deal with it here for now, long term handle it from the notebook metadata
+    # We need to do this here before the dependencies are installed to work around deps conflicts
     oldestdeps: bash -c 'echo tutorials/parquet-catalog-demos/irsa-hats-with-lsdb >> ignore_testing'
+    oldestdeps: bash -c "sed -e 's|lsdb|\#lsdb|g' .binder/requirements.txt"
+
+    # Adding back the default install command
+    python -I -m pip install {opts} {packages}
+
+commands =
+    pip freeze
 
     # Ignore testing the tutorials listed in ignore_testing file. We have some OS specific ignores,
     # too due to issues with e.g. multiprocessing and problems in upstream dependency