Tony Rice

Perhaps it's my unfamiliarity with Go, but I'm seeing two small errors in how the check digit is calculated. Comparing the code in ups.go to the algorithm described [here](https://www.codeproject.com/Articles/21224/Calculating-the-UPS-Tracking-Number-Check-Digit), it...

## Issue Description The documentation suggests agains using abbreviated timezone strings (e.g. EST, UTC, etc.): _timezone names from tz database provided via dateutil package, note that abbreviations such as MST,...

I'm consistently seeing this warning under Python 3.7.4 ``` ResourceWarning: unclosed ```

Python3.9 install fails

4

Python: 3.9.0 OS: Mac Catalina 10.15.7 (with latest XCode, see end) Appears to be an issue with lxml-4.5.X. Note that lxml 4.4.3 installs fine, not sure how that might impact...

SearchLocalSolarEclipse off by days (python)

2

Are there adjustments I should be making for dates prior to the Gregorian calendar switch is is that built into the Time class? ``` lat=35.766666673 lon=-78.63333333 ele = 111.3 observer...