Simplified control flow.

mesonbuild/interpreter.py

@@ -2007,9 +2007,6 @@ class Interpreter(InterpreterBase):
                 raise DependencyException(m.format(name))
             dep = cached_dep
         else:
-            # We need to actually search for this dep
-            exception = None
-            dep = None
             # If the dependency has already been configured, possibly by
             # a higher level project, try to use it first.
             if 'fallback' in kwargs:
@@ -2022,8 +2019,11 @@ class Interpreter(InterpreterBase):
                     except KeyError:
                         pass
 
+            # We need to actually search for this dep
+            exception = None
+            dep = None
+
             # Search for it outside the project
-            if not dep:
             try:
                 dep = dependencies.find_external_dependency(name, self.environment, kwargs)
             except DependencyException as e: