Revert "fix: circular import problem"

This reverts commit 759ad10.

Author: MaferMazu

openedx_authz/api/__init__.py

@@ -5,35 +5,7 @@
 provide a simpler interface for other services in the Open edX ecosystem.
 """
 
-# Import data module directly as it has no circular dependencies
 from openedx_authz.api.data import *
-
-# Lazy import other modules to avoid circular import issues
-# The permissions module imports from engine.enforcer, which creates a circular dependency
-# if imported at module level. Using __getattr__ allows us to defer the import until needed.
-
-
-def __getattr__(name):
-    """Lazy import attributes from sub-modules to avoid circular imports.
-    
-    This function is called when an attribute is not found in the module.
-    It allows us to import from sub-modules only when needed, breaking
-    the circular dependency chain.
-    """
-    # Try importing from each sub-module
-    submodules = ['permissions', 'roles', 'users']
-
-    for submodule_name in submodules:
-        try:
-            submodule = __import__(
-                f'openedx_authz.api.{submodule_name}',
-                fromlist=[name]
-            )
-            if hasattr(submodule, name):
-                # Cache the attribute in this module for future access
-                globals()[name] = getattr(submodule, name)
-                return globals()[name]
-        except (ImportError, AttributeError):
-            continue
-
-    raise AttributeError(f"module '{__name__}' has no attribute '{name}'")
+from openedx_authz.api.permissions import *
+from openedx_authz.api.roles import *
+from openedx_authz.api.users import *