improve require formatting

code/create_database.rkt

@@ -3,8 +3,8 @@
 ;; This program creates a sqlite3 database and then creates an empty table
 ;; for predictions.
 
-(require racket/date)
-(require db)
+(require racket/date
+         db)
 
 ; give us the date in YYYY-MM-DD format
 (date-display-format 'iso-8601)

code/update_predictions.rkt

@@ -2,10 +2,10 @@
 
 ; Add new predictions, update predictions, add outcomes
 
-(require racket/cmdline)
-(require racket/date)
-(require racket/list)
-(require db)
+(require racket/cmdline
+         racket/date
+         racket/list
+         db)
 
 (require "scoring_rules.rkt")