Fixed operator call

Author: manoelmarques

aqua/vqe_convergence.ipynb

@@ -75,55 +75,6 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "\r",
-      "Optimizer: COBYLA        "
-     ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "/Users/manoel/Documents/Quantum/qiskit-aqua/qiskit/aqua/algorithms/adaptive/vqe/vqe.py:106: DeprecationWarning: operator_mode option is deprecated and it will be removed after 0.6. Now the operator has its own mode, no need extra info to tell the VQE.\n",
-      "  \"Now the operator has its own mode, no need extra info to tell the VQE.\", DeprecationWarning)\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "\r",
-      "Optimizer: L_BFGS_B        "
-     ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "/Users/manoel/Documents/Quantum/qiskit-aqua/qiskit/aqua/algorithms/adaptive/vqe/vqe.py:106: DeprecationWarning: operator_mode option is deprecated and it will be removed after 0.6. Now the operator has its own mode, no need extra info to tell the VQE.\n",
-      "  \"Now the operator has its own mode, no need extra info to tell the VQE.\", DeprecationWarning)\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "\r",
-      "Optimizer: SLSQP        "
-     ]
-    },
-    {
-     "name": "stderr",
-     "output_type": "stream",
-     "text": [
-      "/Users/manoel/Documents/Quantum/qiskit-aqua/qiskit/aqua/algorithms/adaptive/vqe/vqe.py:106: DeprecationWarning: operator_mode option is deprecated and it will be removed after 0.6. Now the operator has its own mode, no need extra info to tell the VQE.\n",
-      "  \"Now the operator has its own mode, no need extra info to tell the VQE.\", DeprecationWarning)\n"
-     ]
-    },
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "\r",
       "Optimization complete      \n"
      ]
     }
@@ -173,7 +124,7 @@
     {
      "data": {
       "text/plain": [
-       "<matplotlib.legend.Legend at 0x132e8d2b0>"
+       "<matplotlib.legend.Legend at 0x1313bd518>"
       ]
      },
      "execution_count": 4,
@@ -238,7 +189,7 @@
     {
      "data": {
       "text/plain": [
-       "<matplotlib.legend.Legend at 0x133078c18>"
+       "<matplotlib.legend.Legend at 0x131506080>"
       ]
      },
      "execution_count": 6,