diff --git a/bin/zulip-send b/bin/zulip-send
index 3cd31ad..f296087 100755
--- a/bin/zulip-send
+++ b/bin/zulip-send
@@ -27,12 +27,18 @@ import os
 import optparse
 import logging
 
+from typing import Any, Dict, List, Optional
+
+sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
+
+import zulip
 
 logging.basicConfig()
 
 log = logging.getLogger('zulip-send')
 
 def do_send_message(client, message_data ):
+    # type: (zulip.Client, Dict[str, Any]) -> bool
     '''Sends a message and optionally prints status about the same.'''
 
     if message_data['type'] == 'stream':
@@ -49,6 +55,7 @@ def do_send_message(client, message_data ):
         return False
 
 def main(argv=None):
+    # type: (Optional[List[str]]) -> int
     if argv is None:
         argv = sys.argv
 
@@ -63,10 +70,6 @@ def main(argv=None):
     '--user' and '--api-key' arguments.
     """
 
-    sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
-
-    import zulip
-
     parser = optparse.OptionParser(usage=usage)
 
     # Grab parser options from the API common set
diff --git a/examples/print-events b/examples/print-events
index 78cb488..b74c13a 100755
--- a/examples/print-events
+++ b/examples/print-events
@@ -26,6 +26,8 @@ import sys
 import os
 import optparse
 
+from typing import Any, Dict
+
 usage = """print-events --user=<bot's email address> --api-key=<bot's api key> [options]
 
 Prints out certain events received by the indicated bot or user matching the filter below.
@@ -44,6 +46,7 @@ parser.add_option_group(zulip.generate_option_group(parser))
 client = zulip.init_from_options(options)
 
 def print_event(event):
+    # type: (Dict[str, Any]) -> None
     print(event)
 
 # This is a blocking call, and will continuously poll for new events
diff --git a/examples/print-messages b/examples/print-messages
index 134b030..515b6d9 100755
--- a/examples/print-messages
+++ b/examples/print-messages
@@ -26,6 +26,8 @@ import sys
 import os
 import optparse
 
+from typing import Any, Dict
+
 usage = """print-messages --user=<bot's email address> --api-key=<bot's api key> [options]
 
 Prints out each message received by the indicated bot or user.
@@ -44,6 +46,7 @@ parser.add_option_group(zulip.generate_option_group(parser))
 client = zulip.init_from_options(options)
 
 def print_message(message):
+    # type: (Dict[str, Any]) -> None
     print(message)
 
 # This is a blocking call, and will continuously poll for new messages