fix: inconsistent flat

ape_vyper/flattener.py

@@ -4,7 +4,7 @@
 
 from ape.logging import logger
 from ape.managers import ProjectManager
-from ape.utils import ManagerAccessMixin
+from ape.utils import ManagerAccessMixin, get_relative_path
 from ethpm_types.source import Content
 
 from ape_vyper._utils import get_version_pragma_spec
@@ -65,7 +65,10 @@ def _flatten_source(
         flattened_modules = ""
         modules_prefixes: set[str] = set()
 
-        for import_path in sorted(imports):
+        # Source by source ID for greater consistency..
+        for import_path in sorted(
+            imports, key=lambda p: f"{get_relative_path(p.absolute(), pm.path)}"
+        ):
             import_info = imports[import_path]
 
             # Vyper imported interface names come from their file names

tests/functional/test_compiler.py

@@ -56,28 +56,6 @@ def dev_revert_source(project):
     def implementThisPlease(role: bytes32) -> bool: view
 
 
-# Showing importing interface from module.
-interface Ballot:
-    def delegated(addr: address) -> bool: view
-
-@internal
-def moduleMethod2() -> bool:
-    return True
-
-
-# This source is also imported from `zero_four.py` to test
-# multiple imports across sources during flattening.
-
-@internal
-def moduleMethod() -> bool:
-    return True
-
-
-@external
-def callModule2FunctionFromAnotherSource(role: bytes32) -> bool:
-    return self.moduleMethod2()
-
-
 # @dev Returns the address of the current owner.
 # @notice If you declare a variable as `public`,
 # Vyper automatically generates an `external`
@@ -155,6 +133,28 @@ def _transfer_ownership(new_owner: address):
     log OwnershipTransferred(old_owner, new_owner)
 
 
+# Showing importing interface from module.
+interface Ballot:
+    def delegated(addr: address) -> bool: view
+
+@internal
+def moduleMethod2() -> bool:
+    return True
+
+
+# This source is also imported from `zero_four.py` to test
+# multiple imports across sources during flattening.
+
+@internal
+def moduleMethod() -> bool:
+    return True
+
+
+@external
+def callModule2FunctionFromAnotherSource(role: bytes32) -> bool:
+    return self.moduleMethod2()
+
+
 implements: IFaceZeroFour