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Update PyPI url in README.rst #13

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15 changes: 7 additions & 8 deletions README.rst
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
sage-train-track
================

Free group automorphisms and train-track representatives in python/sage.
Free group automorphisms and train-track representatives in Python/Sage.

This is a Sage optional package. It contains code to handle free group
automorphisms (inversion, composition, etc.) and to compute
Expand All @@ -17,33 +17,32 @@ Installation::

Warning: it seems that Mac OS X 10.13 and later has a security
conflict between SIP and SSL and does not succeed in downloading the
package from https://pypi.python.org. To overcome this difficulty,
package from https://pypi.org. To overcome this difficulty,
just download the tarball train_track-0.1.2.tar.gz from

https://pypi.python.org/simple/train_track
https://pypi.org/simple/train_track

and run::

sage -pip install /path/to/train_track-0.1.2.tar.gz

Warning: if you lack intstallation privilege, you can install only for
Warning: if you lack installation privilege, you can install only for
yourself::

sage -pip install --user train_track

On Cocalc.com installation can be done either from a terminal as above
or from a cell::
On [CoCalc](https://cocalc.com) install either from a terminal as above
or from a cell in a Jupyter worksheet::

!sage -pip install train_track

Warning, Cocalc free accounts do not have access to internet, first
Warning: CoCalc free accounts do not have access to internet, first
download the tarball then install.

Usage::

sage: from train_track import *


After this command, you can play with free groups and their automorphisms::

sage: FreeGroup('a,b,c')
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