diff --git a/taxcalc/__init__.py b/taxcalc/__init__.py
index 702744be1..96858709e 100644
--- a/taxcalc/__init__.py
+++ b/taxcalc/__init__.py
@@ -14,6 +14,6 @@
 from taxcalc.utils import *
 from taxcalc.cli import *
 
-__version__ = '4.3.1'
+__version__ = '4.3.1a'
 __min_python3_version__ = 10
 __max_python3_version__ = 12
diff --git a/taxcalc/calculator.py b/taxcalc/calculator.py
index 353d09959..d0b92a598 100644
--- a/taxcalc/calculator.py
+++ b/taxcalc/calculator.py
@@ -1248,7 +1248,7 @@ def lines(text, num_indent_spaces, max_line_length=77):
                         else:  # if baseline is GrowDiff object
                             # each GrowDiff parameter has zero as default value
                             doc += '  baseline_value: 0.0\n'
-            del mdata_base
+                    del mdata_base
             return doc
 
         # begin main logic of reform_documentation
diff --git a/taxcalc/tests/test_taxcalcio.py b/taxcalc/tests/test_taxcalcio.py
index edf1793e0..891d9df75 100644
--- a/taxcalc/tests/test_taxcalcio.py
+++ b/taxcalc/tests/test_taxcalcio.py
@@ -88,7 +88,7 @@ def fixture_reformfile1():
         "II_em": { // personal exemption amount (see indexing changes below)
           "2016": 6000,
           "2018": 7500,
-          "2020": 9000},
+          "2021": 9000},
         "II_em-indexed": { // personal exemption amount indexing status
           "2016": false, // values in future years are same as this year value
           "2018": true // values in future years indexed with this year as base