Fix sql_format error on database_trace (#610)

* Add check for sql_format in database_trace.py

* Fix typo.

* [Mega-Linter] Apply linters fixes

Co-authored-by: umaannamalai <[email protected]>
Co-authored-by: Timothy Pansino <[email protected]>

Author: umaannamalai

newrelic/api/database_trace.py

@@ -205,8 +205,9 @@ def finalize_data(self, transaction, exc=None, value=None, tb=None):
                         execute_params = self.execute_params
                         transaction._explain_plan_count += 1
 
-        self.sql_format = tt.record_sql
-
+        self.sql_format = (
+            tt.record_sql if tt.record_sql else ""
+        )  # If tt.record_sql is None, then the empty string will default to sql being obfuscated
         self.connect_params = connect_params
         self.cursor_params = cursor_params
         self.sql_parameters = sql_parameters