From 24be755f20ba9aebf8fe5aefbcd117726693243e Mon Sep 17 00:00:00 2001
From: Martin Fleischmann <martin@martinfleischmann.net>
Date: Mon, 11 Aug 2025 22:40:26 +0200
Subject: [PATCH 1/3] GHA: use micromamba

---
 .github/workflows/tests.yaml | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 2d229d4..f54cf00 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -44,20 +44,17 @@ jobs:
     steps:
       - uses: actions/checkout@v5
 
-      - name: Setup Conda
-        uses: conda-incubator/setup-miniconda@v3
+      - name: Install Conda environment with Micromamba
+        uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: ${{ matrix.env }}
-          miniforge-version: latest
-          miniforge-variant: Miniforge3
-          use-mamba: true
 
       - name: Check and Log Environment
         run: |
           python -V
           python -c "import geopandas; geopandas.show_versions();"
-          conda info
-          conda list
+          micromamba info
+          micromamba list
 
       - name: Test
         run: |

From bc976a8047d570912d03fca6de30d3051d5852c1 Mon Sep 17 00:00:00 2001
From: Martin Fleischmann <martin@martinfleischmann.net>
Date: Mon, 11 Aug 2025 22:58:33 +0200
Subject: [PATCH 2/3] try without pins

---
 ci/envs/311-latest.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ci/envs/311-latest.yaml b/ci/envs/311-latest.yaml
index 9f22ec1..f1faa78 100644
--- a/ci/envs/311-latest.yaml
+++ b/ci/envs/311-latest.yaml
@@ -7,14 +7,14 @@ dependencies:
   - dask
   - distributed
   - geopandas
-  - pyproj=3.4
+  - pyproj
   - packaging
   # test dependencies
   - pytest
   - pytest-cov
   - hilbertcurve
   - s3fs
-  - moto<5  # <5 pin because of https://github.com/dask/dask/issues/10869
+  - moto
   - flask # needed for moto server
   # optional dependencies
   - pyarrow

From 8b5949ff169e57680c718c19c71480379319e46c Mon Sep 17 00:00:00 2001
From: Martin Fleischmann <martin@martinfleischmann.net>
Date: Mon, 11 Aug 2025 23:06:38 +0200
Subject: [PATCH 3/3] bring back moto pin (still failing)

---
 ci/envs/311-latest.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ci/envs/311-latest.yaml b/ci/envs/311-latest.yaml
index f1faa78..2f202fd 100644
--- a/ci/envs/311-latest.yaml
+++ b/ci/envs/311-latest.yaml
@@ -14,7 +14,7 @@ dependencies:
   - pytest-cov
   - hilbertcurve
   - s3fs
-  - moto
+  - moto<5  # <5 pin because of https://github.com/dask/dask/issues/10869
   - flask # needed for moto server
   # optional dependencies
   - pyarrow