pipes docs

clint/pipes.py

@@ -5,10 +5,10 @@ import sys
 __all__ = ('piped_in', )
 
 def piped_in():
-    """Returns piped input via stdin, else False."""
+    """Returns piped input via stdin, else None."""
     with sys.stdin as stdin:
         # TTY is only way to detect if stdin contains data
         if not stdin.isatty():
             return stdin.read()  
         else:
-            return None
+            return None