Update examples

Author: alexanderkuvaev

examples/01_Basic_usage.ipynb

@@ -132,7 +132,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "data/A.sgy 2.0 500.0\n"
+      "data/A.sgy 2000\n"
      ]
     }
    ],
@@ -141,7 +141,7 @@
     "\n",
     "# Context manager: recommended\n",
     "with segfast.open(path=path) as file:\n",
-    "    print(file.path, file.sample_interval, file.sample_rate)"
+    "    print(file.path, file.sample_interval)"
    ]
   },
   {
@@ -163,7 +163,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "data/A.sgy 2.0 500.0\n"
+      "data/A.sgy 2000\n"
      ]
     }
    ],
@@ -174,7 +174,7 @@
     "with open('tester.pckl', 'rb') as file:\n",
     "    reloaded = pickle.load(file)\n",
     "\n",
-    "print(reloaded.path, reloaded.sample_interval, reloaded.sample_rate)"
+    "print(reloaded.path, reloaded.sample_interval)"
    ]
   },
   {