fixed the issue
Explicity set range for 2D line plot
Takes maximal span
Update plot.py
Update plot.py
Merge pull request #2906 from vlsd/issue#2889

Fixes issue #2889
Merge pull request #7333 from shashank-agg/incorrect_range

 issue #6893: plot does not use the given range.
Add shashank-agg to AUTHORS/aboutus. Welcome to SymPy!
Merge pull request #7492 from smichr/auth

Add shashank-agg to AUTHORS/aboutus. Welcome to SymPy!
merge with master