X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/f2ea461e9e9fa5c47bb61fd72d512c748928badc..898815bc833779bd6c6f3e67710644f715b07316:/src/black/__init__.py

diff --git a/src/black/__init__.py b/src/black/__init__.py
index c61bc8c..d83f0e5 100644
--- a/src/black/__init__.py
+++ b/src/black/__init__.py
@@ -54,6 +54,13 @@ from blib2to3.pgen2 import token
 
 from _black_version import version as __version__
 
+# If our environment has uvloop installed lets use it
+try:
+    import uvloop
+
+    uvloop.install()
+except ImportError:
+    pass
 
 # types
 FileContent = str
@@ -499,8 +506,9 @@ def path_empty(
     """
     Exit if there is no `src` provided for formatting
     """
-    if not src and (verbose or not quiet):
-        out(msg)
+    if not src:
+        if verbose or not quiet:
+            out(msg)
         ctx.exit(0)
 
 
@@ -1029,7 +1037,7 @@ def nullcontext() -> Iterator[None]:
 
 
 def patch_click() -> None:
-    """Make Click not crash.
+    """Make Click not crash on Python 3.6 with LANG=C.
 
     On certain misconfigured environments, Python 3 selects the ASCII encoding as the
     default which restricts paths that it can access during the lifetime of the
@@ -1047,7 +1055,9 @@ def patch_click() -> None:
 
     for module in (core, _unicodefun):
         if hasattr(module, "_verify_python3_env"):
-            module._verify_python3_env = lambda: None
+            module._verify_python3_env = lambda: None  # type: ignore
+        if hasattr(module, "_verify_python_env"):
+            module._verify_python_env = lambda: None  # type: ignore
 
 
 def patched_main() -> None: