class_docstr: Benchmark that times performance of chunk graph builder
code: def time_import_mars_tensor(self):
      proc = subprocess.Popen(
          [sys.executable, "-c", "import mars.tensor"]
      )
      proc.wait(120)
  
file_path: mars/benchmarks/asv_bench/benchmarks/import.py
imports: import subprocess
  import sys
  import mars.dataframe
  import mars.tensor
label_desc: Use image node_id 2 for calling the ImportPackageSuite obj's underlying member method code with example usage: obj.time_import_mars_tensor() without return types