Minor fix for blueprints + flask run.

Author: mikeckennedy

app/ch12-forms/final/pypi_org/app.py

@@ -1,6 +1,7 @@
 import os
 import sys
 import flask
+
 folder = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
 sys.path.insert(0, folder)
 
@@ -10,9 +11,13 @@
 
 
 def main():
+    configure()
+    app.run(debug=True)
+
+
+def configure():
     register_blueprints()
     setup_db()
-    app.run(debug=True)
 
 
 def setup_db():
@@ -38,3 +43,5 @@ def register_blueprints():
 
 if __name__ == '__main__':
     main()
+else:
+    configure()

app/ch12-forms/final/pypi_org/infrastructure/num_convert.py

@@ -0,0 +1,5 @@
+def try_int(text) -> int:
+    try:
+        return int(text)
+    except:
+        return 0