fix code styling (GH-12737)

command/bdist_wininst.py

@@ -269,7 +269,7 @@ class bdist_wininst(Command):
                 # convert back to bytes. "latin-1" simply avoids any possible
                 # failures.
                 with open(self.pre_install_script, "r",
-                    encoding="latin-1") as script:
+                          encoding="latin-1") as script:
                     script_data = script.read().encode("latin-1")
                 cfgdata = cfgdata + script_data + b"\n\0"
             else: