Update _ext/translation_graph.py

 Removed extra white space. Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

_ext/translation_graph.py

@@ -147,7 +147,7 @@ def run(self):
  paper_bgcolor="rgba(0,0,0,0)",
  plot_bgcolor="rgba(0,0,0,0)",
  hoverlabel_bgcolor="white",
- hoverlabel_font_color = "black",
+ hoverlabel_font_color="black",
  font_color="var(--bs-body-color)",
  margin=dict(l=40, r=40, t=40, b=40),
  xaxis_showgrid=False,