class_docstr: Runtime Environment Manager class to manage runtime environment.
class_docstr_tok: ["Runtime","Environment","Manager","class","to","manage","runtime","environment","."]
docstr: Returns the conda prefix from the set environment variable. None otherwise.
code: def _get_active_conda_env_prefix(self) -> str:
      """Returns the conda prefix from the set environment variable. None otherwise."""
      return os.getenv("CONDA_PREFIX")
  
imports: from __future__ import absolute_import
  import logging
  import sys
  import shlex
  import os
  import subprocess
  import time
  import dataclasses
  import json
label_desc: Use image node_id 3 for calling the RuntimeEnvironmentManager obj's underlying member method code with example usage: obj._get_active_conda_env_prefix() and returns: os