Indent big section of code before actual changes.

src/zc/buildout/buildout.py

@@ -652,6 +652,7 @@ class Buildout(DictMixin):
         installed_parts = installed_part_options['buildout']['parts']
         installed_parts = installed_parts and installed_parts.split() or []
 
+        try:
             if install_args:
                 install_parts = install_args
                 uninstall_missing = False
@@ -700,17 +701,16 @@ class Buildout(DictMixin):
                     if self._logger.getEffectiveLevel() < logging.DEBUG:
                         for k in old_options:
                             if k not in new_options:
-                            self._logger.debug("Part %s, dropped option %s.",
-                                               part, k)
+                                self._logger.debug(
+                                    "Part %s, dropped option %s.", part, k)
                             elif old_options[k] != new_options[k]:
                                 self._logger.debug(
                                     "Part %s, option %s changed:\n%r != %r",
-                                part, k, new_options[k], old_options[k],
-                                )
+                                    part, k, new_options[k], old_options[k])
                         for k in new_options:
                             if k not in old_options:
-                            self._logger.debug("Part %s, new option %s.",
-                                               part, k)
+                                self._logger.debug(
+                                    "Part %s, new option %s.", part, k)
 
                 elif not uninstall_missing:
                     continue
@@ -805,6 +805,8 @@ class Buildout(DictMixin):
                 else:
                     assert installed_exists
                     self._update_installed(parts=' '.join(installed_parts))
+        finally:
+            pass
 
         if installed_develop_eggs:
             if not installed_exists: