[NFC] polish colossalai/context/random/__init__.py code style (#3327)

colossalai/context/random/__init__.py

@@ -1,5 +1,16 @@
-from ._helper import (seed, set_mode, with_seed, add_seed, get_seeds, get_states, get_current_mode, set_seed_states,
+from ._helper import (
-                      sync_states, moe_set_seed, reset_seeds)
+    add_seed,
+    get_current_mode,
+    get_seeds,
+    get_states,
+    moe_set_seed,
+    reset_seeds,
+    seed,
+    set_mode,
+    set_seed_states,
+    sync_states,
+    with_seed,
+)
 
 __all__ = [
     'seed', 'set_mode', 'with_seed', 'add_seed', 'get_seeds', 'get_states', 'get_current_mode', 'set_seed_states',