did you try just
os.environ["LD_LIBRARY_PATH"] = "/home/joseph/hadoop/lib/native"as per the docs:
Quote:This mapping may be used to modify the environment as well as query the environment. putenv() will be called automatically when the mapping is modified.
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs