added UnicodeDecodeError to exception catch

Author: poldrack

nipype/interfaces/base.py

@@ -1273,12 +1273,12 @@ def _process(drain=0):
         if stdout and isinstance(stdout, bytes):
             try:
                 stdout = stdout.decode()
-            except:
+            except UnicodeDecodeError:
                 stdout = stdout.decode("ISO-8859-1")
         if stderr and isinstance(stderr, bytes):
             try:
                 stderr = stderr.decode()
-            except:
+            except UnicodeDecodeError:
                 stderr = stderr.decode("ISO-8859-1")
 
         result['stdout'] = str(stdout).split('\n')