class_docstr: We use subprocess to simulate job launch locally. Python's subprocess.Popen
  has already provided us all the necessary APIs to control subprocess, we
  just need to call them here.
class_docstr_tok: ["We","use","subprocess","to","simulate","job","launch","locally",".","Python","'s","subprocess.Popen","has","already","provided","us","all","the","necessary","APIs","to","control","subprocess",",","we","just","need","to","call","them","here","."]
code: def __init__(self):
      pass
  
file_path: fiber/fiber/local_backend.py
imports: import subprocess
  import fiber.core
  from fiber.core import ProcessStatus
label_desc: Use image node_id 1 to create a new Backend object from inherited base classes: core with example: obj = Backend()