prompt_toolkit compatibility: call_from_executor expects _max_postpone_until to be a 'time.time()' float.

(requires latest development version of prompt_toolkit.)

Author: jonathanslenders

pymux/process.py

@@ -19,7 +19,6 @@
 import sys
 import time
 import traceback
-import datetime
 
 __all__ = (
     'Process',
@@ -297,7 +296,7 @@ def do_asap():
                 # that we will process max 1k/1s in case of saturation.
                 # That should be enough to prevent the UI from feeling
                 # unresponsive.
-                timestamp = datetime.datetime.now() + datetime.timedelta(seconds=1)
+                timestamp = time.time() + 1
 
                 self.eventloop.call_from_executor(
                     do_asap, _max_postpone_until=timestamp)