ImportError: cannot import name 'stream_fastq_full' about fastqmetrics HOT 9 CLOSED

readname	length	averageQ	medianQ
multiprocessing.pool.RemoteTraceback:
"""
Traceback (most recent call last):
  File "/usr/local/Cellar/python3/3.6.2/Frameworks/Python.framework/Versions/3.6/lib/python3.6/multiprocessing/pool.py", line 119, in worker
    result = (True, func(*args, **kwds))
  File "/usr/local/lib/python3.6/site-packages/nanoget/nanoget.py", line 330, in extract_all_from_fastq
    nanomath.median_qual(rec.letter_annotations["phred_quality"]))
AttributeError: module 'nanomath' has no attribute 'median_qual'
"""

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/bin/fastqmetrics", line 11, in <module>
    sys.exit(main())
  File "/usr/local/lib/python3.6/site-packages/fastqmetrics/fastqmetrics.py", line 9, in main
    for res in stream_fastq_full(args.fastq, args.threads):
  File "/usr/local/lib/python3.6/site-packages/nanoget/nanoget.py", line 304, in stream_fastq_full
    for results in pool.imap(extract_all_from_fastq, SeqIO.parse(inputfastq, "fastq")):
  File "/usr/local/Cellar/python3/3.6.2/Frameworks/Python.framework/Versions/3.6/lib/python3.6/multiprocessing/pool.py", line 735, in next
    raise value
AttributeError: module 'nanomath' has no attribute 'median_qual'

pip3 install  nanomath --upgrade
Requirement already up-to-date: nanomath in /usr/local/lib/python3.6/site-packages
Requirement already up-to-date: pandas in /usr/local/lib/python3.6/site-packages (from nanomath)
Requirement already up-to-date: numpy>1.8 in /usr/local/lib/python3.6/site-packages (from nanomath)
Requirement already up-to-date: pytz>=2011k in /usr/local/lib/python3.6/site-packages (from pandas->nanomath)
Requirement already up-to-date: python-dateutil>=2 in /usr/local/lib/python3.6/site-packages (from pandas->nanomath)
Requirement already up-to-date: six>=1.5 in /usr/local/lib/python3.6/site-packages (from python-dateutil>=2->pandas->nanomath)

python3 -c "import nanomath; print(nanomath.__version__)"
0.13.0