Pin black==22.3 to keep a stable --preview flag (#249)

Pin black==22.3

setup.py

@@ -78,7 +78,7 @@ from setuptools import find_packages, setup
 _deps = [
     "Pillow",
     "accelerate>=0.11.0",
-    "black~=22.0,>=22.3",
+    "black==22.3",
     "datasets",
     "filelock",
     "flake8>=3.8.3",
@@ -163,7 +163,7 @@ extras = {}
 
 
 extras = {}
-extras["quality"] = ["black ~= 22.0", "isort >= 5.5.4", "flake8 >= 3.8.3"]
+extras["quality"] = ["black==22.3", "isort >= 5.5.4", "flake8 >= 3.8.3"]
 extras["docs"] = ["hf-doc-builder"]
 extras["training"] = ["accelerate", "datasets", "tensorboard", "modelcards"]
 extras["test"] = ["pytest"]

src/diffusers/dependency_versions_table.py

@@ -4,7 +4,7 @@
 deps = {
     "Pillow": "Pillow",
     "accelerate": "accelerate>=0.11.0",
-    "black": "black~=22.0,>=22.3",
+    "black": "black==22.3",
     "datasets": "datasets",
     "filelock": "filelock",
     "flake8": "flake8>=3.8.3",