Comment #3 on issue 1287 by fabian.seoane: os imported by sympy
http://code.google.com/p/sympy/issues/detail?id=1287
os is imported globally to compute SYMPY_DEBUG. I don't know if this hack
solves the
problem:
diff --git a/sympy/__init__.py b/sympy/__init__.py
index cbea406..4a605fa 100644
--- a/sympy/__init__.py
+++ b/sympy/__init__.py
@@ -12,8 +12,13 @@
__version__ = "0.6.3-hg"
-import os
-SYMPY_DEBUG = eval(os.getenv('SYMPY_DEBUG', 'False'))
+
+
+def __sympy_debug():
+ # helper function so we don't import os globally
+ import os
+ return os.getenv('SYMPY_DEBUG', 'False')
+SYMPY_DEBUG = __sympy_debug()
import symbol as stdlib_symbol
from sympy.core import *
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