osx.spec: trivial formatting

contrib/osx/osx.spec

@@ -139,7 +139,8 @@ if APP_SIGN:
 
 pyz = PYZ(a.pure, a.zipped_data, cipher=block_cipher)
 
-exe = EXE(pyz,
+exe = EXE(
+    pyz,
     a.scripts,
     a.binaries,
     a.datas,
@@ -148,9 +149,11 @@ exe = EXE(pyz,
     strip=False,
     upx=True,
     icon=electrum+ICONS_FILE,
-          console=False)
+    console=False,
+)
 
-app = BUNDLE(exe,
+app = BUNDLE(
+    exe,
     version = VERSION,
     name=PACKAGE + '.app',
     icon=electrum+ICONS_FILE,
@@ -158,5 +161,5 @@ app = BUNDLE(exe,
     info_plist={
         'NSHighResolutionCapable': 'True',
         'NSSupportsAutomaticGraphicsSwitching': 'True'
-             }
+    },
 )