Fixes some pylint issues.

This doesn't fix all complaints by pylint, but significantly
reduces their number.  Ditto for pep8 complaints.

Also makes a couple of related cosmetic edits.

TESTED:
Ran "scons build-all check" with no errors.
Both "pylint" and "pep8" targets report fewer issues.

1 files changed, 3 insertions, 2 deletions

diff --git a/gpssim.py b/gpssim.py
index 60176633..de456de0 100644
--- a/gpssim.py
+++ b/gpssim.py
@@ -5,13 +5,14 @@ A GPS simulator.
 
 This is proof-of-concept code, not production ready; some functions are stubs.
 """
-import gps
-import gpslib
 import math
 import random
 import sys
 import time
 
+import gps
+import gpslib
+
 # First, the mathematics.  We simulate a moving viewpoint on the Earth
 # and a satellite with specified orbital elements in the sky.