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      • Administrators
        • POST - Service Provider Admin
        • PUT - Service Provider Admin Policies
        • POST - Group Admin Polices Bulk
        • POST - Group Admin
      • Alternate Numbers
        • GET - User Alternate Numbers
      • Authentication
        • PUT - User Web Authentication Password
        • PUT - User Authentication Service
      • Auto Attendants
        • GET - Auto Attendants
        • POST - Auto Attendant
        • GET - Auto Attendant
        • GET - Auto Attendant User
        • POST - Auto Attendant Remove User
        • PUT - Auto Attendant
        • DELETE - Auto Attendant
        • GET - Auto Attendant Submenus
        • POST - Auto Attendant Submenu
        • GET - Auto Attendant Submenu Usage
        • PUT - Auto Attendant Submenu
        • PUT - Auto Attendant Status
        • DELETE - Auto Attendant Submenu
      • Call Centers
        • GET - Group Call Center
        • PUT - Group Call Center
        • GET - Group Call Centers
        • PUT - Group Call Center Agents
        • PUT - Group Call Center Agents Levels
        • GET - Group Call Center Bounced Calls
        • PUT - Group Call Center Bounced Call
        • PUT - Group Call Center DNIS Instance
        • GET - Group Call Center Forced Forwarding
        • PUT - Group Call Center Forced Forwarding
        • GET - Group Call Center Overflow
        • PUT - Group Call Center Overflow
        • GET - Group Call Center Stranded Calls
        • GET - Group Call Center Stranded Calls Unavailable
        • PUT - Group Call Center Status
        • PUT - Group Call Center Stranded Calls
        • PUT - Group Call Center Stranded Calls Unavailable
        • GET - User Call Center
        • PUT - User Call Center
        • PUT - User Call Center Agent Sign Out
        • PUT - User Call Center Agents Update
        • PUT - User Call Center Supervised Agents
      • Call Forwarding Always
        • GET - Bulk Call Forwarding Always
        • GET - User Call Forwarding Always
      • Call Forwarding Busy
        • GET - Bulk Call Forwarding Busy
        • GET - User Call Forwarding Busy
      • Call Forwarding No Answer
        • GET - Bulk User Call Forwarding No Answer
        • GET - User Call Forwarding No Answer
      • Call Forwarding Not Reachable
        • GET - Bulk User Call Forwarding Not Reachable
        • GET - User Call Forwarding Not Reachable
      • Call Forwarding Selective
        • GET - User Call Forwarding Selective
        • GET - User Call Forwarding Selective Criteria
        • GET - User Call Forwarding Selective Criterias
      • Call Pickup
        • GET - Call Pickup Group User
      • Call Processing Policies
        • PUT - User Call Processing Policy
      • Call Records
        • GET - User Stats
      • Devices
        • POST - Group Device
        • PUT - Group Devices
        • PUT - Group Device File
        • PUT - Group Device Tag
        • PUT - Group Device Type File
        • PUT - Group Device Tags Profile
        • PUT - Group Device Type Tag
        • PUT - Service Provider Device
        • PUT - Service Provider Device File
        • PUT - Service Provider Device Tag
        • PUT - Service Provider Device Type Tag
        • PUT - System Devices
        • PUT - System Device File
        • PUT - System Device Tag
      • DNs
        • GET - Group DNs
        • POST - Group DNs
        • DELETE - Group DNs
        • PUT - Group DNs Activate
        • POST - Group DNs Assign Bulk
        • GET - Group DN Details
        • GET - Group DN Search
        • POST - Group DNs Unassign Bulk
        • GET - Service Provider DNs
        • POST - Service Provider DNs
        • GET - Service Provider DN Search
        • DELETE - Service Provider DNs
        • GET - System DNs
        • GET - System DN Search
        • GET - System DN Summary
        • GET - System DN Utilisation
      • Do Not Disturb
        • GET - User Do Not Disturb
        • PUT - User Do Not Disturb
      • Emergency Zones
        • POST - Group Emergency Zones
        • PUT - Group Emergency Zones
      • Groups
        • GET - Group Information
        • GET - Service Provider Groups
      • Hunt Groups
        • GET - Group Hunt Groups
        • GET - Group Hunt Group
        • POST - Group Hunt Group
        • PUT - Group Hunt Group
        • DELETE - Group Hunt Group
        • GET - Group Hunt Groups Available Users
        • PUT - Group Hunt Groups Status
        • GET - Group Hunt Group User
        • PUT - Group Hunt Group Weighted Call Distribution
        • POST - Group Hunt Groups Remove User
      • Password Generate
        • GET - Password Generate
        • GET - Passwords Generate
        • GET - Passcode Generate
        • GET - Passcodes Generate
        • GET - SIP Password Generate
        • GET - SIP Passwords Generate
      • Registration
        • GET - User Registration
        • GET - Bulk User Registration
      • Reports
        • GET - User Report
      • Schedules
        • GET - Group Schedules
        • GET - Group Events
      • Service Providers
        • GET - Service Provider
        • GET - Service Providers
      • Services
        • GET - Group Services
        • GET - Group Services Assigned
        • GET - User-Services
        • PUT - User Services
        • GET - User Services Assigned
        • GET - User Service Settings
        • PUT - User Service Settings
      • Shared Call Appearance
        • POST - User Shared Call Appearance Endpoint
      • Trunk Groups
        • GET - Group Trunk Group
        • GET - Group Trunk Groups
        • GET - Group Trunk Groups Call Capacity
        • PUT - Group Trunk Groups Call Capacity
        • PUT - Group Trunk Group
        • POST - Group Trunk Group
        • GET - Service Provider Call Capacity Report
        • GET - Service Provider Trunk Group Call Capacity
        • PUT - Service Provider Trunk Group Call Capacity
      • User
        • GET - User By ID
        • GET - Users
        • POST - User
        • PUT - User
        • DELETE - User
        • PUT - User ID
        • PUT - Users Bulk
        • PUT - User Group ID Update
        • GET - User Login Info
        • GET - User Portal Passcode
        • PUT - User Portal Passcode
        • POST - User Reset
      • Voice Messaging
        • GET - Group Voice Messaging
        • GET - Group Voice Messaging Portal
        • GET - User Voice Messaging Advanced
        • GET - User Voice Messaging Bulk
        • GET - User Voice Messaging Greetings
        • GET - User Voice Messaging Message Details
        • GET - User Voice Messaging Message Download
        • GET - User Voice Messaging Messages
        • GET - User Voice Messaging User Distribution List
        • GET - User Voice Messaging User Distribution Lists
        • GET - User Voice Messaging Voice Portal
        • GET - User Voice Messaging
        • PUT - Group Voice Messaging
        • PUT - Group Voice Messaging Portal
        • PUT - User Voice Messaging Bulk
        • PUT - User Voice Messaging Greetings
        • PUT - User Voice Messaging Messages Read
        • PUT - User Voice Messaging Messages Unread
        • PUT - User Voice Messaging User Distribution List
        • PUT - User Voice Messaging Voice Portal
        • PUT - User Voice Messaging
        • DELETE - User Voice Messaging Messages
    • Advanced Features
      • Scripter
        • Find Alias
        • User Association
        • Group Audit
        • Move Numbers
        • Remove Numbers
        • Bulk Password Reset
        • Service Provider Trunking Capacity
        • Webex Builder
        • Locate Free Extension
        • User Registration
        • VM Auto Login
      • Reporter
        • Call Flow
          • Making Sense of The Call Flow
          • Graphviz
        • Group Users Call Statistics
        • User Registration Report
    • Utils
      • Config Manager
        • Template Configs
          • Auto Attendant
          • Call Center
          • Device
          • Group
          • Hunt Group
          • Service Provider
          • Trunk Group
          • User
      • Checkers
      • Constants
      • Formatters
      • Parsers
    • Logging
  • Powered By Odin's Spear
    • AA, CC, HG Audit
    • Bulk Build Group Admins
    • Bulk Build Service Provider Admins
    • Service Pack Audit
    • VM Bulk Passcode Set CSV
  • 14IP
    • Custom Logger
  • Development
  • Troubleshooting & FAQ
    • Frequently Asked Questions
    • Common Issues
      • Graphviz Troubleshooting
  • Change Log
  • Bugs and Issues
  • Contact
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On this page
  • Common Errors
  • failed to execute WindowsPath('dot') / AttributeError: 'NoneType' object has no attribute '_start_node'
  • Adding Graphviz to PATH
  • Installing Graphviz on Linux/Mac

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  1. Troubleshooting & FAQ
  2. Common Issues

Graphviz Troubleshooting

PreviousCommon IssuesNextChange Log

Last updated 3 months ago

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Common Errors

failed to execute WindowsPath('dot') / AttributeError: 'NoneType' object has no attribute '_start_node'

This is because the Graphviz install hasn't completed correctly, or you haven't added the executables to your systems PATH.

The best way to get around this is to just re-install using windows package manager which will sort the installation out for you.

Steps:

  1. Press Windows Key + x

  2. Click on the tab that says Terminal (Admin) or PowerShell(Admin)

  3. Type or copy the following:

winget install graphviz

  1. Wait for the install to finish and the run the script again

If you're still encountering errors, you can follow the steps below to add Graphviz to your PATH, or open an issue on our GitHub page:

Adding Graphviz to PATH

Steps:

  1. In the Windows Search Bar, search for: Edit the system Environment Variables

  2. Click on 'Environment Variables' ![[environmentvariables.png]]

  3. Under the 'User Variables' tab, click on 'New'

  4. Enter the following details: ![[uservariables.png]]

After this, restart your computer to apply the changes and try your script again.

Installing Graphviz on Linux/Mac

Most Linux Distros have Graphviz supported in their package manager.

Execute the commands below in terminal depending on your distro:

Arch

sudo pacman -S graphviz

Debian/Ubuntu:

sudo apt install graphviz

Fedora:

sudo dnf install graphviz

MacOS (Needs homebrew):

brew install graphviz

If you're still encountering errors, open an issue on our GitHub page:

New Issue
New Issue
RPM resource graphviz (rpmfind.net)