Frequently asked questions

Transfer Module

required = {‘jpeg’, ‘zlib’} - SyntaxError: invalid syntax

Full error stack:

Collecting pillow>=2.4.0 (from reportlab)
   Using cached Pillow-4.0.0.tar.gz
      Complete output from command python egg_info:
      Traceback (most recent call last):
         File "<string>", line 1, in <module>
         File "/tmp/root/pip-build-525vF6/pillow/", line 138
            required = {'jpeg', 'zlib'}
      SyntaxError: invalid syntax

This bug affects 3.6 version installed from source (RPM 3.6 and DEB 3.6 should not be affected). It has been fixed in 3.7. It can be fixed in 3.6 by downgrading the pypi pillow package:

pip install pillow==3.4.2

NoSectionError: No section: ‘esgf_credential’

Run commands below:

sudo sed -i -e "s/install/get','install/" /usr/share/python/synda/sdt/bin/

urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:581)

Run commands below:

synda certificate renew -x

sdexception.SDException: code=SDATYPES-101,message=Path not found (/srv/synda/sdt)

Run commands below:

mkdir -p /srv/synda/sdt
sudo wget -O /usr/share/python/synda/sdt/bin/

ImportError: No module named sysconfig

This error occurs when installing Synda from source with an old version of script (<20160215). Downloading the last version of script should fix the problem.

‘pkg_resources.DistributionNotFound: setuptools>=1.0’ error

Run command below:

sudo /usr/share/python/synda/sdt/bin/pip install setuptools==19.7

‘Module argparse was already imported’ error

Run command below:

pip uninstall argparse

“(‘system library’, ‘fopen’, ‘No such file or directory’)” error during certificate retrieving

Unset all X509 environment variables and remove ~/.esg directory.

‘OpenSL: error:SSL routines:SSL3_READ_BYTES:sslv3 alert certificate unknown’ error

This signals that the server does not trust the certificate issued by the MyProxy CA.

Run commands below:

synda certificate renew -x

If this doesn’t help, you can find more information here

“No module named datetime” error

Remove virtualenv from the path:

export PATH=/usr/local/bin:/usr/bin:/bin

AttributeError: ‘FFILibrary’ object has no attribute ‘SSL_OP_NO_TICKET’ error

Run command below in synda virtualenv to retrieve pyopenssl HEAD version from GitHub:


More information.

Post-Processing Module