Fix indentation.

Doc/library/imp.rst

@@ -239,14 +239,14 @@ around for backward compatibility:
 
    .. impl-detail::
 
-    The import internals identify extension modules by filename, so doing
-    ``foo = load_dynamic("foo", "mod.so")`` and
-    ``bar = load_dynamic("bar", "mod.so")`` will result in both foo and bar
-    referring to the same module, regardless of whether or not
-    ``mod.so`` exports an ``initbar`` function. On systems which
-    support them, symlinks can be used to import multiple modules from
-    the same shared library, as each reference to the module will use
-    a different file name.
+      The import internals identify extension modules by filename, so doing
+      ``foo = load_dynamic("foo", "mod.so")`` and
+      ``bar = load_dynamic("bar", "mod.so")`` will result in both foo and bar
+      referring to the same module, regardless of whether or not
+      ``mod.so`` exports an ``initbar`` function. On systems which
+      support them, symlinks can be used to import multiple modules from
+      the same shared library, as each reference to the module will use
+      a different file name.
 
 
 .. function:: load_source(name, pathname[, file])