Add bug fixes and docstring updates from PR #769

Author: samkeet

path/to/your/file.go

@@ -0,0 +1,14 @@
+// Updated function to ensure nil error is returned properly.
+func SomeFunction() error {
+    ...
+    if someCondition { 
+        return nil // Ensure nil is returned 
+    }
+    return fmt.Errorf("some error")
+}
+
+// Additional function documentation added here to increase coverage.
+// This function does X, Y, and Z.
+func SomeOtherFunction() {
+    ...
+}