<s>
The	O
Python	B-License
Software	I-License
Foundation	I-License
License	I-License
(	O
PSFL	O
)	O
is	O
a	O
BSD-style	B-Operating_System
,	O
permissive	B-License
software	I-License
license	I-License
which	O
is	O
compatible	O
with	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPL	B-License
)	O
.	O
</s>
<s>
Its	O
primary	O
use	O
is	O
for	O
distribution	O
of	O
the	O
Python	B-Language
project	O
software	O
and	O
its	O
documentation	O
.	O
</s>
<s>
Since	O
the	O
license	O
is	O
permissive	B-License
,	O
it	O
allows	O
proprietization	B-Application
of	O
the	O
derivations	O
.	O
</s>
<s>
The	O
PSFL	O
is	O
listed	O
as	O
approved	O
on	O
both	O
FSF	B-Application
's	I-Application
approved	I-Application
licenses	I-Application
list	I-Application
,	O
and	O
OSI	O
's	O
approved	O
licenses	O
list	O
.	O
</s>
<s>
This	O
license	O
is	O
also	O
known	O
as	O
"	O
Python	B-License
License	I-License
2.0.1	O
"	O
.	O
</s>
<s>
In	O
2000	O
,	O
Python	B-Language
(	O
specifically	O
version	O
2.1	O
)	O
was	O
briefly	O
available	O
under	O
the	O
Python	B-License
License	I-License
,	O
which	O
is	O
incompatible	O
with	O
the	O
GPL	B-License
.	O
</s>
<s>
The	O
reason	O
given	O
for	O
this	O
incompatibility	O
by	O
Free	B-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
was	O
that	O
"	O
this	O
Python	B-License
license	I-License
is	O
governed	O
by	O
the	O
laws	O
of	O
the	O
'	O
State	O
of	O
Virginia	O
 '	O
,	O
in	O
the	O
USA	O
"	O
,	O
which	O
the	O
GPL	B-License
does	O
not	O
permit	O
.	O
</s>
<s>
Guido	O
van	O
Rossum	O
,	O
Python	B-Language
's	O
creator	O
,	O
was	O
awarded	O
the	O
2001	O
Free	B-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
Award	O
for	O
the	O
Advancement	O
of	O
Free	O
Software	O
for	O
changing	O
the	O
license	O
to	O
fix	O
this	O
incompatibility	O
.	O
</s>
