update usage guide

Author: AnjanaRita

notebook/usage.ipynb

@@ -12,12 +12,15 @@
     "\n",
     "\n",
     "#important converse imports.\n",
-    "from converse import Callyzer\n",
-    "from converse import SpeakerStats\n",
-    "from converse import SemanticTextSegmention\n",
-    "from converse import ZeroShotTopicFinder\n",
+    "from pyconverse import Callyzer\n",
+    "from pyconverse import SpeakerStats\n",
+    "from pyconverse import SemanticTextSegmention\n",
+    "from pyconverse import ZeroShotTopicFinder\n",
     "\n",
-    "warnings.filterwarnings('ignore')"
+    "warnings.filterwarnings('ignore')\n",
+    "\n",
+    "\n",
+    "#first time you install pyconverse and make these imports it downloads few transformers models in the backend, hence the first import might take few minutes."
    ]
   },
   {