diff --git a/helpers.py b/helpers.py
index 7658251..47b24b4 100644
--- a/helpers.py
+++ b/helpers.py
@@ -4,12 +4,15 @@
 import sublime_plugin
 
 
-class BaseBlockCommand(sublime_plugin.TextCommand):
+class LineIndexError(Exception):
+    pass
+
 
+class BaseBlockCommand(sublime_plugin.TextCommand):
     def _get_row_text(self, row):
 
         if row < 0 or row > self.view.rowcol(self.view.size())[0]:
-            raise RuntimeError('Cannot find table bounds.')
+            raise LineIndexError('Cannot find table bounds.')
 
         point = self.view.text_point(row, 0)
         region = self.view.line(point)
@@ -28,9 +31,7 @@ def get_block_bounds(self):
         try:
             while self._get_row_text(upper - 1).strip():
                 upper -= 1
-
-        except Exception as e:
-            print(e)
+        except LineIndexError:
             pass
         else:
             upper += 1
@@ -38,8 +39,7 @@ def get_block_bounds(self):
         try:
             while self._get_row_text(lower + 1).strip():
                 lower += 1
-        except Exception as e:
-            print(e)
+        except LineIndexError:
             pass
         else:
             lower -= 1
@@ -47,5 +47,9 @@ def get_block_bounds(self):
         block_region = Region(self.view.text_point(upper - 1, 0),
                               self.view.text_point(lower + 2, 0))
         lines = [self.view.substr(region) for region in self.view.lines(block_region)]
-        indent = re.match('^(\s*).*$', self._get_row_text(upper - 1)).group(1)
+        try:
+            row_text = self._get_row_text(upper - 1)
+        except LineIndexError:
+            row_text = ''
+        indent = re.match('^(\s*).*$', row_text).group(1)
         return block_region, lines, indent