diff --git a/tools/meson-render-jinja2.py b/tools/meson-render-jinja2.py
index 1f893ed9a4..d87a9c49c1 100755
--- a/tools/meson-render-jinja2.py
+++ b/tools/meson-render-jinja2.py
@@ -9,6 +9,7 @@ import sys
 
 import jinja2
 
+
 def parse_config_h(filename):
     # Parse config.h file generated by meson.
     ans = {}
@@ -24,15 +25,19 @@ def parse_config_h(filename):
         ans[a] = b
     return ans
 
+
 def render(filename, defines):
     text = open(filename).read()
-    template = jinja2.Template(text,
-                               trim_blocks=True,
-                               lstrip_blocks=True,
-                               keep_trailing_newline=True,
-                               undefined=jinja2.StrictUndefined)
+    template = jinja2.Template(
+        text,
+        trim_blocks=True,
+        lstrip_blocks=True,
+        keep_trailing_newline=True,
+        undefined=jinja2.StrictUndefined,
+    )
     return template.render(defines)
 
+
 def main():
     defines = parse_config_h(sys.argv[1])
     output = render(sys.argv[2], defines)
@@ -41,5 +46,6 @@ def main():
     info = os.stat(sys.argv[2])
     os.chmod(sys.argv[3], info.st_mode)
 
+
 if __name__ == '__main__':
     main()