scoping INFO and ERROR to FLASK_ENV=development

Author: dmalan

setup.py

@@ -16,5 +16,5 @@
     package_dir={"": "src"},
     packages=["cs50"],
     url="https://github.com/cs50/python-cs50",
-    version="9.1.0"
+    version="9.2.0"
 )

src/cs50/sql.py

@@ -9,6 +9,7 @@ def _enable_logging(f):
 
     import logging
     import functools
+    import os
 
     @functools.wraps(f)
     def decorator(*args, **kwargs):
@@ -19,9 +20,9 @@ def decorator(*args, **kwargs):
         except ModuleNotFoundError:
             return f(*args, **kwargs)
 
-        # Enable logging
+        # Enable logging in development mode
         disabled = logging.getLogger("cs50").disabled
-        if flask.current_app:
+        if flask.current_app and os.getenv("FLASK_ENV") == "development":
             logging.getLogger("cs50").disabled = False
         try:
             return f(*args, **kwargs)