[DistTest] fix incorrect shell if statement (#4304)

* [DistTest] fix incorrect shell if statement

* fix incorrect use of dist.initialize()

tests/distributed/test_distributed_sampling.py

@@ -84,7 +84,7 @@ def start_get_degrees_client(rank, tmpdir, disable_shared_mem, nids=None):
     gpb = None
     if disable_shared_mem:
         _, _, _, gpb, _, _, _ = load_partition(tmpdir / 'test_get_degrees.json', rank)
-    dgl.distributed.initialize("rpc_ip_config.txt", 1)
+    dgl.distributed.initialize("rpc_ip_config.txt")
     dist_graph = DistGraph("test_get_degrees", gpb=gpb)
     try:
         in_deg = dist_graph.in_degrees(nids)

tests/scripts/task_unit_test.sh

@@ -41,7 +41,7 @@ python3 -m pytest -v --junitxml=pytest_backend.xml --durations=100 tests/$DGLBAC
 export PYTHONUNBUFFERED=1
 export OMP_NUM_THREADS=1
 export DMLC_LOG_DEBUG=1
-if [ $2 != "gpu" && $DGLBACKEND == "pytorch" ]; then
+if [ $2 != "gpu" ] && [ $DGLBACKEND == "pytorch" ]; then
     python3 -m pip install filelock
     python3 -m pytest -v --capture=tee-sys --junitxml=pytest_distributed.xml --durations=100 tests/distributed/*.py || fail "distributed"
     PYTHONPATH=tools:$PYTHONPATH python3 -m pytest -v --capture=tee-sys --junitxml=pytest_tools.xml --durations=100 tests/tools/*.py || fail "tools"