darker

IPython/lib/latextools.py

@@ -146,7 +146,7 b" def latex_to_png_dvipng(s, wrap, color='Black', scale=1.0):"
         return None
 
     startupinfo = None
-    if os.name == 'nt':
+    if os.name == "nt":
         # prevent popup-windows
         startupinfo = subprocess.STARTUPINFO()
         startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
@@ -163,7 +163,11 b" def latex_to_png_dvipng(s, wrap, color='Black', scale=1.0):"
         with open(os.devnull, 'wb') as devnull:
             subprocess.check_call(
                 ["latex", "-halt-on-error", "-interaction", "batchmode", tmpfile],
-                cwd=workdir, stdout=devnull, stderr=devnull, startupinfo=startupinfo)
+                cwd=workdir,
+                stdout=devnull,
+                stderr=devnull,
+                startupinfo=startupinfo,
+            )
 
             resolution = round(150*scale)
             subprocess.check_call(
@@ -186,7 +190,7 b" def latex_to_png_dvipng(s, wrap, color='Black', scale=1.0):"
                 cwd=workdir,
                 stdout=devnull,
                 stderr=devnull,
-                startupinfo=startupinfo
+                startupinfo=startupinfo,
             )
 
         with outfile.open("rb") as f: