Remove username from session name (#215)

Summary:
Pull Request resolved: #215

The diff makes a default torchx session name as `torchx` instead of `torchx-$username`

RFC: #227

Reviewed By: d4l3k

Differential Revision: D31348341

fbshipit-source-id: ff50599a629907d888cebccdeab948df2a17938d

Author: aivanou

torchx/runner/api.py

@@ -5,7 +5,6 @@
 # This source code is licensed under the BSD-style license found in the
 # LICENSE file in the root directory of this source tree.
 
-import getpass
 import json
 import logging
 import time
@@ -547,7 +546,7 @@ def get_runner(name: Optional[str] = None, **scheduler_params: Any) -> Runner:
 
     """
     if not name:
-        name = f"torchx_{getpass.getuser()}"
+        name = "torchx"
 
     schedulers = get_schedulers(session_name=name, **scheduler_params)
     return Runner(name, schedulers)

torchx/runner/test/api_test.py

@@ -423,3 +423,7 @@ def test_runner_try_catch(self, _) -> None:
 
         # can call close twice
         runner.close()
+
+    def test_get_default_runner(self, _) -> None:
+        runner = get_runner()
+        self.assertEqual("torchx", runner._name)