ci: attempt to use conda list to print env

if the environment looks like a conda environment

.gitlab-ci.yml

@@ -17,6 +17,14 @@ stages:
 
 # ------------------- Initial stage -------------------------------------------
 
+.list-env: &list-env
+  - PREFIX="$(dirname $(which python))/.."
+  - if [ -d "${PREFIX}/conda-meta" ]; then
+      conda list --prefix "${PREFIX}" --show-channel-urls;
+    else
+      python -m pip list installed;
+    fi
+
 # Check author list is up to date
 authors:
   stage: initial
@@ -40,7 +48,7 @@ containers:
   image: python
   script:
     - python -m pip install .
-    - python -m pip list installed
+    - *list-env
     - python -c "import bilby"
     - python -c "import bilby.bilby_mcmc"
     - python -c "import bilby.core"
@@ -75,7 +83,7 @@ basic-3.10:
   stage: initial
   script:
     - python -m pip install .
-    - python -m pip list installed
+    - *list-env
     - python test/test_samplers_import.py
 
 import-samplers-3.8:
@@ -138,7 +146,7 @@ install:
   stage: test
   script:
     - python -m pip install .
-    - python -m pip list installed
+    - *list-env
 
     - pytest --cov=bilby --durations 10
 
@@ -173,7 +181,7 @@ python-3.10:
   stage: test
   script:
     - python -m pip install .[all]
-    - python -m pip list installed
+    - *list-env
     - pytest test/integration/sampler_run_test.py --durations 10 -v
 
 python-3.8-samplers:
@@ -199,7 +207,7 @@ integration-tests-python-3.9:
     - schedules
   script:
     - python -m pip install .
-    - python -m pip list installed
+    - *list-env
     # Run tests which are only done on schedule
     - pytest test/integration/example_test.py
 
@@ -209,7 +217,7 @@ integration-tests-python-3.9:
     - schedules
   script:
     - python -m pip install .
-    - python -m pip list installed
+    - *list-env
     - pytest test/gw/plot_test.py