From b4c6c684b929ceca5aa43517eb86c16b86669ca3 Mon Sep 17 00:00:00 2001
From: Hassan Kibirige <has2k1@gmail.com>
Date: Mon, 19 Jan 2026 18:37:46 +0300
Subject: [PATCH] fix: rendering of SVGs in jupyter notebooks

---
 doc/changelog.qmd          | 2 ++
 plotnine/_utils/ipython.py | 5 ++++-
 plotnine/typing.py         | 4 +++-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/doc/changelog.qmd b/doc/changelog.qmd
index aebac1d527..3af3941e69 100644
--- a/doc/changelog.qmd
+++ b/doc/changelog.qmd
@@ -23,6 +23,8 @@ title: Changelog
 
 - Fixed [](:class:`~plotnine.geom_smooth`) / [](:class:`~plotnine.stat_smooth`) when using a linear model via "lm" with weights for the model to do a weighted regression. This bug did not affect the formula API of the linear model. ({{< issue 1005 >}})
 
+- Fixed rendering of SVGs in jupyter notebooks.
+
 ## v0.15.2
 (2025-12-12)
 
diff --git a/plotnine/_utils/ipython.py b/plotnine/_utils/ipython.py
index f2820822b0..794b8a547f 100644
--- a/plotnine/_utils/ipython.py
+++ b/plotnine/_utils/ipython.py
@@ -55,6 +55,7 @@ def get_mimebundle(
     }
     mimetype = lookup[format]
 
+    image: bytes | str = b
     metadata: dict[str, DisplayMetadata] = {}
     w, h = figure_size_px
     if format in ("png", "jpeg"):
@@ -62,5 +63,7 @@ def get_mimebundle(
     elif format == "retina":
         # `retina=True` in IPython.display.Image just halves width/height
         metadata = {mimetype: {"width": w // 2, "height": h // 2}}
+    elif format == "svg":
+        image = b.decode()
 
-    return {mimetype: b}, metadata
+    return {mimetype: image}, metadata
diff --git a/plotnine/typing.py b/plotnine/typing.py
index 2fd64b2f5b..a71aa9f26a 100644
--- a/plotnine/typing.py
+++ b/plotnine/typing.py
@@ -157,4 +157,6 @@ class DisplayMetadata(TypedDict):
     height: NotRequired[int]
 
 
-MimeBundle: TypeAlias = tuple[dict[str, bytes], dict[str, DisplayMetadata]]
+MimeBundle: TypeAlias = tuple[
+    dict[str, bytes | str], dict[str, DisplayMetadata]
+]