18362: upgrade to pynac-0.3.7; fix one changed doctest result

Author: rwst

build/pkgs/pynac/checksums.ini

@@ -1,4 +1,4 @@
 tarball=pynac-VERSION.tar.bz2
-sha1=79821599bdaff04ee09e9ed007c93279789022ab
-md5=97fed71054f5cd931c44dcf3ab3089c6
-cksum=3283787374
+sha1=8ddd7fc09749276846312e3ca8e9d61d60e7e7c6
+md5=f42a5dc52b84f50bd2b9f5da8f7b41cd
+cksum=2231966561

build/pkgs/pynac/package-version.txt

@@ -1 +1 @@
-0.3.5
+0.3.7

src/sage/symbolic/integration/integral.py

@@ -598,7 +598,7 @@ def integrate(expression, v=None, a=None, b=None, algorithm=None, hold=False):
         Is 50015104*y^2-50015103 positive, negative or zero?
         sage: assume(y>1)
         sage: res = integral(f,x,0.0001414, 1.); res
-        -2*y*arctan(0.0001414/y) + 2*y*arctan(1/y) + log(y^2 + 1.0) - 0.0001414*log(y^2 + 1.9993959999999997e-08) - 1.9997172
+        2*y*arctan(1.0/y) - 2*y*arctan(0.0001414/y) + 1.0*log(1.0*y^2 + 1.0) - 0.0001414*log(1.0*y^2 + 1.9993959999999997e-08) - 1.9997172
         sage: nres = numerical_integral(f.subs(y=2), 0.0001414, 1.); nres
         (1.4638323264144..., 1.6251803529759...e-14)
         sage: res.subs(y=2).n()