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fix: support tsam_xarray 0.6.5 by using cluster_counts #761

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Merged
FBumann merged 1 commit into from
Jul 27, 2026
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fix: support tsam_xarray 0.6.5 by using cluster_counts #761

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2 changes: 1 addition & 1 deletion flixopt/transform_accessor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -88,7 +88,7 @@ def build_cluster_weights(self) -> xr.DataArray:
Returns:
DataArray with dims [cluster, period?, scenario?].
"""
return self._unrename(self._agg_result.cluster_weights.rename('cluster_weight'))
return self._unrename(self._agg_result.cluster_counts.rename('cluster_weight'))

def build_typical_periods(self) -> dict[str, xr.DataArray]:
"""Build typical periods DataArrays with (cluster, time, ...) shape.
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4 changes: 2 additions & 2 deletions pyproject.toml
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Expand Up @@ -70,7 +70,7 @@ tutorials = [

# Full feature set (everything except dev tools)
full = [
"tsam_xarray >= 0.6.1, < 1", # Time series aggregation for clustering (wraps tsam); 0.6.1 adds aggregate(cluster_on=)
"tsam_xarray >= 0.6.5, < 1", # Time series aggregation for clustering (wraps tsam); 0.6.5 renames cluster_weights to cluster_counts
"tsam >= 3.4.0, < 4", # Directly imported for ClusterConfig, ExtremeConfig, SegmentConfig
"pyvis==0.3.2", # Visualizing FlowSystem Network
"scipy >= 1.15.1, < 2", # Used by tsam. Prior versions have conflict with highspy. See https://github.com/scipy/scipy/issues/22257
Expand All @@ -87,7 +87,7 @@ full = [
# Development tools and testing
dev = [
"xarray<2026.8", # TODO: drop once linopy ships xarray 2026.3+ compat fix
"tsam_xarray==0.6.1", # Time series aggregation for clustering (wraps tsam)
"tsam_xarray==0.6.5", # Time series aggregation for clustering (wraps tsam)
"tsam==3.4.0", # Directly imported for ClusterConfig, ExtremeConfig, SegmentConfig
"pytest==9.1.1",
"pytest-xdist==3.8.0",
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