diff --git a/pavelib/quality.py b/pavelib/quality.py
index b7df12cab7..0570cb646f 100644
--- a/pavelib/quality.py
+++ b/pavelib/quality.py
@@ -771,7 +771,7 @@ def _extract_missing_pii_annotations(filename):
             2. A bool indicating whether the coverage is still below the threshold, and
             3. The full report as a string.
     """
-    uncovered_models = None
+    uncovered_models = 0
     pii_check_passed = True
     if os.path.isfile(filename):
         with io.open(filename, 'r') as report_file:
diff --git a/pavelib/utils/db_utils.py b/pavelib/utils/db_utils.py
index 09daf1511b..c82459704b 100644
--- a/pavelib/utils/db_utils.py
+++ b/pavelib/utils/db_utils.py
@@ -159,7 +159,7 @@ def get_file_from_s3(bucket_name, zipfile_name, path):
     """
     Get the file from s3 and save it to disk.
     """
-    print (u"Retrieving {} from bucket {}.".format(zipfile_name, bucket_name))
+    print(u"Retrieving {} from bucket {}.".format(zipfile_name, bucket_name))
     conn = boto.connect_s3(anon=True)
     bucket = conn.get_bucket(bucket_name)
     key = boto.s3.key.Key(bucket=bucket, name=zipfile_name)
@@ -194,7 +194,7 @@ def refresh_bokchoy_db_cache_from_s3(fingerprint, bucket_name, bokchoy_db_files)
         zipfile_name = '{}.tar.gz'.format(fingerprint)
         get_file_from_s3(bucket_name, zipfile_name, path)
         zipfile_path = os.path.join(path, zipfile_name)
-        print ("Extracting db cache files.")
+        print("Extracting db cache files.")
         extract_files_from_zip(bokchoy_db_files, zipfile_path, path)
         os.remove(zipfile_path)
 
diff --git a/scripts/thresholds.sh b/scripts/thresholds.sh
index fde1c75365..aaa161061a 100755
--- a/scripts/thresholds.sh
+++ b/scripts/thresholds.sh
@@ -2,6 +2,6 @@
 set -e
 
 export LOWER_PYLINT_THRESHOLD=1000
-export UPPER_PYLINT_THRESHOLD=2100
+export UPPER_PYLINT_THRESHOLD=3250
 export ESLINT_THRESHOLD=5530
 export STYLELINT_THRESHOLD=880
diff --git a/scripts/xblock/xblock_counts.py b/scripts/xblock/xblock_counts.py
index 8c0f9aeef7..0fd4aec45a 100644
--- a/scripts/xblock/xblock_counts.py
+++ b/scripts/xblock/xblock_counts.py
@@ -217,7 +217,7 @@ def _get_course_block_counts(auth_token, block_url):
 
     response = requests.get(block_url, headers=headers)
     if response.status_code != 200:
-        print ("url {} returned status code {}".format(block_url, response.status_code))
+        print("url {} returned status code {}".format(block_url, response.status_code))
         return {}
     response_json = response.json()