Fix geom_line not to ignore the lineend parameter

fixes #727
has2k1 · Nov 21, 2023 · 18b748f · 18b748f
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diff --git a/doc/changelog.rst b/doc/changelog.rst
@@ -61,6 +61,9 @@ Bug Fixes
 - Fixed space handling around `axis_label`, `axis_text` and `axis_ticks` when
   the ticks are turned off.
 
+- Fixed bug in :class:`~plotnine.geoms.geom_path` where the lineend parameter
+  was ignored. (:issue:`727`)
+
 Enhancements
 ************
 

diff --git a/plotnine/geoms/geom_path.py b/plotnine/geoms/geom_path.py
@@ -476,6 +476,7 @@ def _draw_segments(data: pd.DataFrame, ax: Axes, **params: Any):
         edgecolor=edgecolor,
         linewidth=linewidth,
         linestyle=linestyle,
+        capstyle=params["lineend"],
         zorder=params["zorder"],
         rasterized=params["raster"],
     )