use flush=True for print statements

main.py

@@ -12,6 +12,12 @@ from projects import *
 import json
 
 
+def safe_print(*args, **kwargs):
+    # When run with 'chronic' and 'timeout', stdout gets suppressed
+    # due to buffering. Make sure to always flush the output.
+    print(*args, **kwargs, flush=True)
+
+
 if __name__ == "__main__":
 
     exit_code = 0
@@ -32,9 +38,9 @@ if __name__ == "__main__":
             checker_result = project_class.check(data, project, current_time)
             if project in ["CPAN", "ubuntu", "ubuntu_releases", "manjaro", "mxlinux", "cran", "ctan", "gentooportage"]:
                 if checker_result:
-                    print(f"Success: {project} up-to-date")
+                    safe_print(f"Success: {project} up-to-date")
                 else:
-                    print(f"Failure: {project} out-of-sync")
+                    safe_print(f"Failure: {project} out-of-sync")
 
                     # Exit with non-zero status if any of the projects are not up-to-date
                     exit_code = 1
@@ -45,14 +51,14 @@ if __name__ == "__main__":
                 data[project]["out_of_sync_since"] = current_time
             elif current_time - data[project]["out_of_sync_since"] \
                     > data[project]["out_of_sync_interval"]:
-                print(f"Failure: {project} out-of-sync")
+                safe_print(f"Failure: {project} out-of-sync")
 
                 # Exit with non-zero status if any of the projects are not up-to-date
                 exit_code = 1
                 continue
-            print(f"Success: {project} up-to-date")
+            safe_print(f"Success: {project} up-to-date")
         except requests.exceptions.RequestException as err:
-            print(f"Error: {project}\n{err}")
+            safe_print(f"Error: {project}\n{err}")
     with open(data_file, "w", encoding="utf-8") as file:
         json.dump(data, file, indent='\t')