importing: what does "from" do?

[Charles T. Smith]

On Thu, 21 Jan 2016 15:44:43 +0000, John Gordon wrote:


> How did this error come up?  Did the code work previously?  If so, what
> changed?

The developers of this legacy code had this as well as other functions
duplicated throughout the system, in order to avoid confronting these
issues.  I'm trying to untangle the mess - without rewriting thousands
of lines of application code.