dephell.diff

diff --git a/lib/less/rails/import_processor.rb b/lib/less/rails/import_processor.rb
index 23fcc2c..4b7f60a 100644
--- a/lib/less/rails/import_processor.rb
+++ b/lib/less/rails/import_processor.rb
@@ -10,9 +10,13 @@ module Less
       def evaluate(context, locals, &block)
         import_paths = data.scan(IMPORT_SCANNER).flatten.compact.uniq
         import_paths.each do |path|
-          asset = context.environment[path]
-          if asset && asset.pathname.to_s.ends_with?('.less')
-            context.depend_on_asset(asset.pathname)
+          pathname = begin
+                       context.resolve(path)
+                     rescue FileNotFound
+                       nil
+                     end
+          if pathname && pathname.to_s.ends_with?('.less')
+            context.depend_on(path)
           end
         end
         data
diff --git a/test/dummy_app/app/assets/stylesheets/basics.css.less b/test/dummy_app/app/assets/stylesheets/basics.css.less
index b1cff20..7c2cd81 100644
--- a/test/dummy_app/app/assets/stylesheets/basics.css.less
+++ b/test/dummy_app/app/assets/stylesheets/basics.css.less
@@ -10,5 +10,6 @@
 #test-mixin span { .bordered; }
 
 // Frameworks
+@import "frameworks/bootstrap/variables";
 @import "frameworks/bootstrap/mixins";
 #test-radiused { .radiused; }
diff --git a/test/dummy_app/app/assets/stylesheets/frameworks/bootstrap/mixins.less b/test/dummy_app/app/assets/stylesheets/frameworks/bootstrap/mixins.less
index 2a5c3d7..d23d641 100644
--- a/test/dummy_app/app/assets/stylesheets/frameworks/bootstrap/mixins.less
+++ b/test/dummy_app/app/assets/stylesheets/frameworks/bootstrap/mixins.less
@@ -2,3 +2,11 @@
 .radiused(@radius: 5px) {
   border-radius: @radius;
 }
+
+.grayified() {
+  color: @gray;
+}
+
+#test_grayified { 
+  .grayified;
+}
diff --git a/test/dummy_app/app/assets/stylesheets/frameworks/bootstrap/variables.less b/test/dummy_app/app/assets/stylesheets/frameworks/bootstrap/variables.less
new file mode 100644
index 0000000..c730a8a
--- /dev/null
+++ b/test/dummy_app/app/assets/stylesheets/frameworks/bootstrap/variables.less
@@ -0,0 +1 @@
+@gray: #888888;

Hi, when I tried this fix on a project I'm working, the rake assets:precompile task threw an exception:

uninitialized constant Less::Rails::ImportProcessor::FileNotFound

I fixed this by replacing:

rescue FileNotFound

with:

rescue Sprockets::FileNotFound

at line 15. Hope this helps!