diff --git a/aidge_core/unit_tests/test_parameters.py b/aidge_core/unit_tests/test_parameters.py
index e4d2cb4faca3dda64cff6aea541c30787c23d0ad..342e4d9666910e90960b762277e8914c68df28b5 100644
--- a/aidge_core/unit_tests/test_parameters.py
+++ b/aidge_core/unit_tests/test_parameters.py
@@ -27,8 +27,8 @@ class test_attributes(unittest.TestCase):
         out_channels = 8
         k_dims = [2, 2]
         conv_op = aidge_core.Conv2D(in_channels , out_channels, k_dims).get_operator()
-        self.assertEqual(conv_op.get_attr("InChannels"), in_channels)
-        self.assertEqual(conv_op.get_attr("OutChannels"), out_channels)
+        self.assertEqual(conv_op.in_channels(), in_channels)
+        self.assertEqual(conv_op.out_channels(), out_channels)
         self.assertEqual(conv_op.get_attr("KernelDims"), k_dims)
 
     def test_fc(self):
diff --git a/include/aidge/operator/Softmax.hpp b/include/aidge/operator/Softmax.hpp
index d48dbc2b60e46eb5c074b8adae065383e29b1769..1868dc6e3df48401ef3f8a126b07572e2f45144d 100644
--- a/include/aidge/operator/Softmax.hpp
+++ b/include/aidge/operator/Softmax.hpp
@@ -30,16 +30,16 @@ class Softmax_Op : public OperatorTensor,
                 public Registrable<Softmax_Op,
                                    std::string,
                                    std::shared_ptr<OperatorImpl>(const Softmax_Op&)>,
-                public StaticAttributes<SoftmaxAttr, int> {
+                public StaticAttributes<SoftmaxAttr, std::size_t> {
 
 public:
     static const std::string Type;
 
     Softmax_Op() = delete;
 
-    using Attributes_ = StaticAttributes<SoftmaxAttr, int>;
+    using Attributes_ = StaticAttributes<SoftmaxAttr, std::size_t>;
     template <SoftmaxAttr e> using attr = typename Attributes_::template attr<e>;
-    Softmax_Op(int axis)
+    Softmax_Op(std::size_t axis)
             :  OperatorTensor(Type, 1, 0, 1),
             Attributes_(attr<SoftmaxAttr::AxisIdx>(axis)) {}
 
@@ -76,7 +76,7 @@ public:
     }
 };
 
-inline std::shared_ptr<Node> Softmax(int axis, const std::string& name = "") {
+inline std::shared_ptr<Node> Softmax(std::size_t axis, const std::string& name = "") {
     return std::make_shared<Node>(std::make_shared<Softmax_Op>(axis), name);
 }
 } // namespace Aidge
diff --git a/include/aidge/operator/Transpose.hpp b/include/aidge/operator/Transpose.hpp
index 16ac2794a283d817f6a4e1586349e55ec626167e..31420110f19761442b67e9701aeca566976aee1b 100644
--- a/include/aidge/operator/Transpose.hpp
+++ b/include/aidge/operator/Transpose.hpp
@@ -26,9 +26,9 @@
 #include "aidge/utils/Types.h"
 
 namespace Aidge {
-class Transpose_OpImpl : public OperatorImpl {
+class TransposeImpl : public OperatorImpl {
 public:
-    Transpose_OpImpl(const Operator& op, const std::string& backend = ""): OperatorImpl(op, backend) {}
+    TransposeImpl(const Operator& op, const std::string& backend = ""): OperatorImpl(op, backend) {}
     void forward() override;
 };
 
@@ -47,11 +47,11 @@ class Transpose_Op : public OperatorTensor,
     template <TransposeAttr e>
     using attr = typename Attributes_::template attr<e>;
 
-    Transpose_Op(const std::vector<DimSize_t> &output_dims_order)
+    Transpose_Op(const std::vector<DimSize_t> &outputDimsOrder)
         : OperatorTensor(Type, 1, 0, 1),
-          Attributes_(attr<TransposeAttr::OutputDimsOrder>(output_dims_order))
+          Attributes_(attr<TransposeAttr::OutputDimsOrder>(outputDimsOrder))
     {
-        mImpl = std::make_shared<Transpose_OpImpl>(*this);
+        mImpl = std::make_shared<TransposeImpl>(*this);
     }
 
     /**
@@ -66,7 +66,7 @@ class Transpose_Op : public OperatorTensor,
             SET_IMPL_MACRO(Transpose_Op, *this, op.backend());
         }
         else {
-            mImpl = std::make_shared<Transpose_OpImpl>(*this);
+            mImpl = std::make_shared<TransposeImpl>(*this);
         }
     }
 
@@ -90,9 +90,9 @@ class Transpose_Op : public OperatorTensor,
     }
 };
 
-inline std::shared_ptr<Node> Transpose(const std::vector<DimSize_t> &output_dims_order,
+inline std::shared_ptr<Node> Transpose(const std::vector<DimSize_t> &outputDimsOrder,
                                            const std::string& name = "") {
-    return std::make_shared<Node>(std::make_shared<Transpose_Op>(output_dims_order), name);
+    return std::make_shared<Node>(std::make_shared<Transpose_Op>(outputDimsOrder), name);
 }
 }  // namespace Aidge
 
diff --git a/src/graph/GraphView.cpp b/src/graph/GraphView.cpp
index 0bc918995c55a914b29987506578491e2c86fae5..163ea35c716cd6948c998f1b08f9f07d28fe1940 100644
--- a/src/graph/GraphView.cpp
+++ b/src/graph/GraphView.cpp
@@ -119,9 +119,11 @@ void Aidge::GraphView::save(const std::string& path, bool verbose, bool showProd
           }
         }
 
-        if (node_ptr == mRootNode || node_ptr->type() != "Producer" || showProducers) {
-          fmt::print(fp.get(), "{}_{}({}){}\n", node_ptr->type(), namePtrTable.at(node_ptr),
-                      givenName, nodeCls);
+        if (node_ptr->type() != "Producer" || showProducers) {
+            // if (node_ptr == mRootNode) {
+            fmt::print(fp.get(), "{}_{}({}){}\n", node_ptr->type(), namePtrTable.at(node_ptr),
+                        givenName, nodeCls);
+            // }
         }
     }
 
@@ -1412,10 +1414,9 @@ std::shared_ptr<Aidge::GraphView> Aidge::GraphView::cloneCallback(NodePtr(*clone
 }
 
 std::shared_ptr<Aidge::GraphView> Aidge::getConnectedGraphView(std::shared_ptr<Node> node) {
-  std::vector<NodePtr> foundNodes;
-  foundNodes.push_back(node);
+  std::vector<NodePtr> foundNodes{node};
 
-  for (size_t curNodeIdx = 0; curNodeIdx < foundNodes.size(); ++curNodeIdx) {
+  for (std::size_t curNodeIdx = 0; curNodeIdx < foundNodes.size(); ++curNodeIdx) {
     NodePtr curNode = foundNodes[curNodeIdx];
 
     for (auto childs : curNode->getOrderedChildren()) {
diff --git a/src/operator/Transpose.cpp b/src/operator/Transpose.cpp
index 08c4770e3fb43fe819a924dd963356401c3ce801..20b2e5a15508368a7a3ca3bbf80bd4174d98ae4e 100644
--- a/src/operator/Transpose.cpp
+++ b/src/operator/Transpose.cpp
@@ -23,7 +23,7 @@
 #include "aidge/utils/Registrar.hpp"
 #include "aidge/utils/Types.h"
 
-void Aidge::Transpose_OpImpl::forward() {
+void Aidge::TransposeImpl::forward() {
     const Transpose_Op& op = dynamic_cast<const Transpose_Op&>(mOp);
     const auto inputDims = op.getInput(0)->dims();
     const auto outputDims = op.getOutput(0)->dims();
@@ -83,7 +83,7 @@ void Aidge::Transpose_Op::setBackend(const std::string& name, Aidge::DeviceIdx_t
         SET_IMPL_MACRO(Transpose_Op, *this, name);
     }
     else {
-        mImpl = std::make_shared<Transpose_OpImpl>(*this);
+        mImpl = std::make_shared<TransposeImpl>(*this);
     }
     mOutputs[0]->setBackend(name, device);
 }