Revert "Revert "Print out actual exception when import fails""

This reverts commit ce0e2c139b.

pyfpdb/GuiGraphViewer.py

@@ -33,11 +33,12 @@ try:
     from matplotlib.backends.backend_gtkagg import NavigationToolbar2GTKAgg as NavigationToolbar
     from numpy import arange, cumsum
     from pylab import *
-except ImportError:
+except ImportError as inst:
     print """Failed to load libs for graphing, graphing will not function. Please in
                  stall numpy and matplotlib if you want to use graphs."""
     print """This is of no consequence for other parts of the program, e.g. import 
          and HUD are NOT affected by this problem."""
+    print "ImportError: %s" % inst.args
 
 import fpdb_import
 import Database

pyfpdb/GuiSessionViewer.py

@@ -37,11 +37,10 @@ try:
 #    from matplotlib.dates import  DateFormatter, WeekdayLocator, HourLocator, \
 #     DayLocator, MONDAY, timezone
 
-except:
-    err = traceback.extract_tb(sys.exc_info()[2])[-1]
-    print "***Error: "+err[2]+"("+str(err[1])+"): "+str(sys.exc_info()[1])
+except ImportError as inst:
     print """Failed to load numpy in Session Viewer"""
-    print """This is of no consequence as the module currently doesn't do anything."""
+    print """This is of no consequence as the page is broken and only of interest to developers."""
+    print "ImportError: %s" % inst.args
 
 import Card
 import fpdb_import