diff --git a/.github/workflows/ci-docker.yml b/.github/workflows/ci-docker.yml
index a4599ef7..eabf36eb 100644
--- a/.github/workflows/ci-docker.yml
+++ b/.github/workflows/ci-docker.yml
@@ -18,6 +18,15 @@ on:
       - '.github/workflows/**'
 
 jobs:
+  list-algs:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v3
+      - id: set-matrix
+        run: echo "::set-output name=matrix::$(ls algorithms/ | jq -R -s -c 'split("\n")[:-1]')"
+
   check-changes:
     runs-on: ubuntu-latest
     outputs:
diff --git a/experiment/methods/feat/regressor.py b/experiment/methods/feat/regressor.py
index 56fe27f5..4f5293b8 100644
--- a/experiment/methods/feat/regressor.py
+++ b/experiment/methods/feat/regressor.py
@@ -17,6 +17,7 @@
                     functions=['+','-','*','/','^2','^3','sqrt','sin','cos','exp','log'],
                     otype='f'
                    )
+
 # want to tune your estimator? wrap it in a sklearn CV class. 
 
 def model(est, X=None) -> str: