added support for SQLAlchemy 2.0

Author: rongxin-liu

setup.py

@@ -10,13 +10,13 @@
         "Topic :: Software Development :: Libraries :: Python Modules"
     ],
     description="CS50 library for Python",
-    install_requires=["Flask>=1.0", "SQLAlchemy==1.4.46", "sqlparse", "termcolor", "wheel"],
+    install_requires=["Flask>=1.0", "SQLAlchemy<3", "sqlparse", "termcolor", "wheel"],
     keywords="cs50",
     license="GPLv3",
     long_description_content_type="text/markdown",
     name="cs50",
     package_dir={"": "src"},
     packages=["cs50"],
     url="https://github.com/cs50/python-cs50",
-    version="9.2.5"
+    version="9.2.6"
 )

src/cs50/sql.py

@@ -53,7 +53,7 @@ def __init__(self, url, **kwargs):
         import sqlalchemy
         import sqlalchemy.orm
         import threading
-        
+
         # Temporary fix for missing sqlite3 module on the buildpack stack
         try:
             import sqlite3
@@ -100,7 +100,7 @@ def connect(dbapi_connection, connection_record):
         self._logger.disabled = True
         try:
             connection = self._engine.connect()
-            connection.execute("SELECT 1")
+            connection.execute(sqlalchemy.text("SELECT 1"))
             connection.close()
         except sqlalchemy.exc.OperationalError as e:
             e = RuntimeError(_parse_exception(e))
@@ -344,7 +344,7 @@ def teardown_appcontext(exception):
                 if command == "SELECT":
 
                     # Coerce types
-                    rows = [dict(row) for row in result.fetchall()]
+                    rows = [dict(row) for row in result.mappings().all()]
                     for row in rows:
                         for column in row: