Ergonomic, hermetic, user-friendly software build system for Python, Go, Java, Kotlin, Protobuf, Scala, Shell. Pants lets you fearlessly scale up your codebase!

Pants

```
                         Failed to eval contrib/haskell/src/python/pants/contrib/haskell/tasks:tasks
Failed to eval 'file contrib/haskell/src/python/pants/contrib/haskell/tasks/stack_build.py':
  File "[srcroot]/pants/contrib/haskell/tasks/stack_build.py", line 8, in &lt;module&gt;
    from pants.contrib.haskell.tasks.stack_task import StackTask
  File "[srcroot]/pants/contrib/haskell/tasks/stack_task.py", line 11, in &lt;module&gt;
    from pants.backend.core.tasks.task import Task
No module named tasks.task
```