Opened 8 years ago

Closed 8 years ago

#3543 closed defect (worksforme)

Upgrade of Plugin and Trac to 0.11 Failes

Reported by: anonymous Owned by: pkropf
Priority: normal Component: GraphvizPlugin
Severity: normal Keywords:
Cc: mcaplan@… Trac Release: 0.11


Not sure what I am doing wrong here, but the plugin isn't loading. I'm just getting the following error in my trac log:

Trac[loader] ERROR: Skipping "graphviz = graphviz": (can't import "No module named subprocess")

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Change History (5)

comment:1 Changed 8 years ago by anonymous

Same issue here...

comment:2 Changed 8 years ago by franck34

Please give us your python version and detailled setup (linux ? win? apache? mod_python? other python handler ?)

And the main question: your python version.


comment:3 Changed 8 years ago by gregor

Hi. My post was the seccond one (08/21/08).

SuSE Linux 9.0 (i586), kernel 2.4.21-286-smp

Installed software: apache2-2.0.52-6 apache2-mod_python-3.1.3-37 python-2.3-52


comment:4 Changed 8 years ago by anonymous

  • Python 2.3.4
  • Linux 2.6.9-67.0.15.EL (centOS 5)
  • Apache/2.0.52
  • mod_python

comment:5 Changed 8 years ago by cboos

  • Resolution set to worksforme
  • Status changed from new to closed

Works as advertised in source:graphvizplugin/0.11/ReleaseNotes.txt: Python 2.4 is now required.

Looks like you could install the subprocess package from Python 2.4 in your Python 2.3 installation, as documented in, but I've not tried that myself.

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