restore transparent background for Pipeline images (#7086)

deepset-ai · Feb 26, 2024 · 3b8af36 · 3b8af36
1 parent 79b32cd
commit 3b8af36
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/haystack/core/pipeline/draw.py b/haystack/core/pipeline/draw.py
@@ -70,7 +70,7 @@ def _to_mermaid_image(graph: networkx.MultiDiGraph):
  graphbytes = graph_styled.encode("ascii")
  base64_bytes = base64.b64encode(graphbytes)
  base64_string = base64_bytes.decode("ascii")
- url = "https://mermaid.ink/img/" + base64_string
+ url = f"https://mermaid.ink/img/{base64_string}?type=png"
 
  logging.debug("Rendeding graph at %s", url)
  try:

diff --git a/releasenotes/notes/pipe-draw-transparent-bg-2e0c8ff586f8e70c.yaml b/releasenotes/notes/pipe-draw-transparent-bg-2e0c8ff586f8e70c.yaml
@@ -0,0 +1,4 @@
+---
+fixes:
+ - |
+ Restore transparent background for images generated with Pipeline.draw and Pipeline.show