Updating to address CircleCi errors.

python-sqlite-sqlalchemy/code/example_1/main.py

@@ -25,7 +25,9 @@ def get_temperature_data(filepath: str) -> Dict:
         return data
 
 
-def get_average_temp_by_date(date_string: str, temperature_data: Dict) -> float:
+def get_average_temp_by_date(
+        date_string: str,
+        temperature_data: Dict) -> float:
     """
     This function gets the average temperature for all the samples
     taken by the students by date

python-sqlite-sqlalchemy/code/example_2/main.py

@@ -26,7 +26,7 @@ def get_average_temp_by_date(date_string, connection):
     sql = """
         SELECT
           avg(value) as average
-        FROM temperature_data 
+        FROM temperature_data
         WHERE date between ? and ?
     """
     result = cursor.execute(sql, (min_date, max_date)).fetchone()

python-sqlite-sqlalchemy/code/example_5/main.py

@@ -26,7 +26,7 @@ def get_total_number_of_books_by_publishers(connection, direction) -> List:
     JOIN book_publisher bp on bp.publisher_id = p.publisher_id
     JOIN book b on b.book_id = bp.book_id
     GROUP BY publisher_name
-    ORDER BY total_books {direction};    
+    ORDER BY total_books {direction};
     """
     result = cursor.execute(sql).fetchall()
     return result
@@ -49,7 +49,7 @@ def get_total_number_of_authors_by_publishers(connection, direction) -> List:
     JOIN author_publisher ap on p.publisher_id = ap.publisher_id
     JOIN author a on ap.author_id = a.author_id
     GROUP BY publisher_name
-    ORDER BY total_authors {direction};    
+    ORDER BY total_authors {direction};
     """
     result = cursor.execute(sql).fetchall()
     return result

python-sqlite-sqlalchemy/code/example_6/main.py

@@ -175,20 +175,29 @@ def main():
 
     # Connect to the database using SqlAlchemy
     path = os.path.dirname(os.path.abspath(__file__))
-    sqlite_filepath = os.path.join(path, "../../build_data/data/author_book_publisher.db")
+    sqlite_filepath = os.path.join(
+        path,
+        "../../build_data/data/author_book_publisher.db"
+    )
     engine = create_engine(f"sqlite:///{sqlite_filepath}")
     Session = sessionmaker()
     Session.configure(bind=engine)
     session = Session()
 
     # Get the total number of books printed by each publisher
-    total_books_by_publisher = get_total_number_of_books_by_publishers(session, "desc")
+    total_books_by_publisher = get_total_number_of_books_by_publishers(
+        session,
+        "desc"
+    )
     for row in total_books_by_publisher:
         print(f"Publisher: {row.name}, total books: {row.total_books}")
     print()
 
     # Get the total number of authors each publisher publishes
-    total_authors_by_publisher = get_total_number_of_authors_by_publishers(session, "desc")
+    total_authors_by_publisher = get_total_number_of_authors_by_publishers(
+        session,
+        "desc"
+    )
     for row in total_authors_by_publisher:
         print(f"Publisher: {row.name}, total authors: {row.total_authors}")
     print()