2 files changed, 12 insertions, 2 deletions

diff --git a/aplus.go b/aplus.go
index a84df8c..1b491a7 100644
--- a/aplus.go
+++ b/aplus.go
@@ -8,8 +8,8 @@ import (
         "net/http"
         "net/url"
         "regexp"
-        "strings"
         "strconv"
+        "strings"
         "time"
 )
 
@@ -238,7 +238,7 @@ func timetable(course_code int) {
                 hour, _ := strconv.Atoi(jsdate[3])
                 min, _ := strconv.Atoi(jsdate[4])
                 sec, _ := strconv.Atoi(jsdate[5])
-                date := time.Date(year, time.Month(month + 1), day, hour, min, sec, 0, time.UTC).Local()
+                date := time.Date(year, time.Month(month+1), day, hour, min, sec, 0, time.UTC).Local()
 
                 fmt.Println(date.Format("Mon Jan 02 15:04:05 MST 2006") + ": " + strings.Replace(statuses[i], "title=\"\">", "", 1))
         }
diff --git a/canvas.go b/canvas.go
index f1a2375..41afce7 100644
--- a/canvas.go
+++ b/canvas.go
@@ -15,8 +15,18 @@ import (
 
 func initialize() {
         instance_url := os.Getenv("CANVAS_INSTANCE")
+        if len(instance_url) == 0 {
+                fmt.Println("The CANVAS_INSTANCE environment variable seems to be empty. Exiting.")
+                os.Exit(1)
+        }
+
         base_link = instance_url + "/api/v1"
         token = os.Getenv("CANVAS_API_KEY")
+        if len(token) == 0 {
+                fmt.Println("The CANVAS_API_KEY environment variable seems to be empty. Exiting.")
+                os.Exit(1)
+        }
+
         jar, _ := cookiejar.New(&cookiejar.Options{
                 PublicSuffixList: publicsuffix.List,
         })