diff --git a/test/add-test.py b/test/add-test.py
index d79a8d12..417fdee2 100755
--- a/test/add-test.py
+++ b/test/add-test.py
@@ -13,7 +13,7 @@ version = sys.version[0:3]
 vers = sys.version_info[:2]
 if sys.argv[1] in ("--run", "-r"):
     suffix = "_run"
-    assert sys.argv >= 3
+    assert len(sys.argv) >= 3
     py_source = sys.argv[2:]
     i = 2
 else:
diff --git a/test/bytecode_3.1_run/10_complex.pyc b/test/bytecode_3.1_run/10_complex.pyc
index 8374996d..12cf424c 100644
Binary files a/test/bytecode_3.1_run/10_complex.pyc and b/test/bytecode_3.1_run/10_complex.pyc differ
diff --git a/test/bytecode_3.3_run/10_complex.pyc b/test/bytecode_3.3_run/10_complex.pyc
index 983188f8..6a023100 100644
Binary files a/test/bytecode_3.3_run/10_complex.pyc and b/test/bytecode_3.3_run/10_complex.pyc differ
diff --git a/test/bytecode_3.5_run/10_complex.pyc b/test/bytecode_3.5_run/10_complex.pyc
index 3153b002..08f0f4e8 100644
Binary files a/test/bytecode_3.5_run/10_complex.pyc and b/test/bytecode_3.5_run/10_complex.pyc differ
diff --git a/test/bytecode_3.7_run/10_complex.pyc b/test/bytecode_3.7_run/10_complex.pyc
index 7b24e33c..1dacf373 100644
Binary files a/test/bytecode_3.7_run/10_complex.pyc and b/test/bytecode_3.7_run/10_complex.pyc differ
diff --git a/test/simple_source/bug31/10_complex.py b/test/simple_source/bug31/10_complex.py
index b31478ae..b35dc2be 100644
--- a/test/simple_source/bug31/10_complex.py
+++ b/test/simple_source/bug31/10_complex.py
@@ -2,6 +2,8 @@
 from math import atan2
 
 # RUNNABLE!
+"""This program is self-checking!"""
+
 def assertCloseAbs(x, y, eps=1e-09):
     """Return true iff floats x and y "are close\""""
     if abs(x) > abs(y):
@@ -32,7 +34,7 @@ def check_div(x, y):
         assertClose(q, x)
 
 def test_truediv():
-    simple_real = [float(i) for i in range(-5, 6)]
+    simple_real = [float(i) for i in range(-3, 3)]
     simple_complex = [complex(x, y) for x in simple_real for y in simple_real]
     for x in simple_complex:
         for y in simple_complex:
@@ -43,7 +45,7 @@ def test_plus_minus_0j():
     assert -0-0j == -0j == complex(0.0, 0.0)
     z1, z2 = (0j, -0j)
     assert atan2(z1.imag, -1.0) == atan2(0.0, -1.0)
-    # assert atan2(z2.imag, -1.0), atan2(-0.0, -1.0)
+    assert atan2(z2.imag, -1.0), atan2(-0.0, -1.0)
 
 # Check that we can handle -inf, and inf as a complex numbers.
 # And put it in a tuple and a list to make it harder.