fix: limit number of samples to length of images available, if less than 50

md/01_raw_intro.md

@@ -958,7 +958,7 @@ from datetime import datetime
 
 count = 0
 df_images["userid"] = 0 # set default value
-for pageid, row in df_images.sample(n=50).iterrows():
+for pageid, row in df_images.sample(n=min(50, len(df_images))).iterrows():
     params["pageids"] = pageid
     try:
         response = requests.get(