diff --git a/components/isceobj/TopsProc/runESD.py b/components/isceobj/TopsProc/runESD.py
index 2052a3e..fcf5a04 100755
--- a/components/isceobj/TopsProc/runESD.py
+++ b/components/isceobj/TopsProc/runESD.py
@@ -24,6 +24,8 @@ def runESD(self, debugPlot=True):
 
     extraOffset = self.extraESDCycles * np.pi * 2
 
+    val = np.array([])
+
     for swath in swathList:
 
         if self._insar.numberOfCommonBursts[swath-1] < 2:
@@ -53,7 +55,6 @@ def runESD(self, debugPlot=True):
                 os.remove(ff)
 
 
-        val = []
         lineCount = 0
         for ii in range(minBurst, maxBurst):
             intname = os.path.join(esddir, 'overlap_IW%d_%02d.%dalks_%drlks.int'%(swath,ii+1, alks,rlks))
diff --git a/components/isceobj/Util/ImageUtil/ImageLib.py b/components/isceobj/Util/ImageUtil/ImageLib.py
index 2d5e2f2..8faee0a 100755
--- a/components/isceobj/Util/ImageUtil/ImageLib.py
+++ b/components/isceobj/Util/ImageUtil/ImageLib.py
@@ -470,7 +470,7 @@ def mmapFromISCE(fname, logger=None):
             isceFile=False
             dataName = fname
         except:
-            raise Exception('Input file: {0} should either be an ISCE image / GDAL image. Appears to be neither')
+            raise Exception('Input file: {0} should either be an ISCE image / GDAL image. Appears to be neither'.format(fname))
 
     if logger is not None:
         logger.debug('Creating readonly ISCE mmap with \n' +
diff --git a/components/iscesys/Component/Application.py b/components/iscesys/Component/Application.py
index 06b6efd..406da65 100755
--- a/components/iscesys/Component/Application.py
+++ b/components/iscesys/Component/Application.py
@@ -297,7 +297,7 @@ class Application(Component, StepHelper):
                         (self._pickleObj, os.path.join(self.pickleLoadDir, name))
                         )
         except IOError:
-            print("Cannot open %s", os.path.join(self.pickleLoadDir, name))
+            print("Cannot open %s" % (os.path.join(self.pickleLoadDir, name)))
         return None