dxfgrabber

[nilamo]

start=dxfgrabber.line.start
print start

it return a message that module object has no attribute Line.
it return the version but not the line start point

emphasis added.  You obviously haven't shown us your actual code, since you're trying to use ".line" (lowercase), while the error is saying ".Line" (uppercase) doesn't exist.

We can't guess what you're doing.  Please copy-paste the actual error message, and whatever code you're actually using.