parse contract dates into datetime objects

atst/app.py

@@ -2,6 +2,7 @@ import os
 import re
 import pathlib
 from configparser import ConfigParser
+from datetime import datetime
 from flask import Flask, request, g, session
 from flask_session import Session
 import redis
@@ -175,6 +176,12 @@ def map_config(config):
         # with a Beat job once a day)
         "CELERY_RESULT_EXPIRES": 0,
         "CELERY_RESULT_EXTENDED": True,
+        "CONTRACT_START_DATE": datetime.strptime(
+            config.get("default", "CONTRACT_START_DATE"), "%Y-%m-%d"
+        ).date(),
+        "CONTRACT_END_DATE": datetime.strptime(
+            config.get("default", "CONTRACT_END_DATE"), "%Y-%m-%d"
+        ).date(),
     }
 
 

atst/forms/task_order.py

@@ -9,7 +9,6 @@ from wtforms.fields import (
 from wtforms.fields.html5 import DateField
 from wtforms.validators import Required, Optional, Length, NumberRange, ValidationError
 from flask_wtf import FlaskForm
-from datetime import datetime
 from numbers import Number
 
 from .data import JEDI_CLIN_TYPES
@@ -85,12 +84,8 @@ class CLINForm(FlaskForm):
 
     def validate(self, *args, **kwargs):
         valid = super().validate(*args, **kwargs)
-        contract_start = datetime.strptime(
-            app.config.get("CONTRACT_START_DATE"), "%Y-%m-%d"
-        ).date()
-        contract_end = datetime.strptime(
-            app.config.get("CONTRACT_END_DATE"), "%Y-%m-%d"
-        ).date()
+        contract_start = app.config.get("CONTRACT_START_DATE")
+        contract_end = app.config.get("CONTRACT_END_DATE")
 
         if (
             self.start_date.data