Fix: Place imports in individual cells (for export to .py files)

notebooks/Alhazen.ipynb

@@ -235,6 +235,17 @@
     "The calculator code is listed below."
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from math import tan as rtan\n",
+    "from math import cos as rcos\n",
+    "from math import sin as rsin"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -245,11 +256,6 @@
     "This file contains the code under test for the example bug.\n",
     "The sqrt() method fails on x <= 0.\n",
     "\"\"\"\n",
-    "from math import tan as rtan\n",
-    "from math import cos as rcos\n",
-    "from math import sin as rsin\n",
-    "\n",
-    "\n",
     "def task_sqrt(x):\n",
     "    \"\"\"Computes the square root of x, using the Newton-Raphson method\"\"\"\n",
     "    if x <= -12 and x >= -42:\n",
@@ -383,8 +389,15 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import sys\n",
-    "\n",
+    "import sys"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
     "SUBJECT = \"calculator\"\n",
     "\n",
     "def sample_runner(sample):\n",
@@ -685,8 +698,15 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from abc import ABC, abstractmethod\n",
-    "\n",
+    "from abc import ABC, abstractmethod"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
     "class Feature(ABC):\n",
     "    '''\n",
     "    The abstract base class for grammar features.\n",
@@ -795,8 +815,15 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from numpy import nanmax, isnan\n",
-    "\n",
+    "from numpy import nanmax, isnan"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
     "class NumericInterpretation(Feature):\n",
     "    '''\n",
     "    This class represents numeric interpretation features of a grammar. These features\n",
@@ -882,8 +909,15 @@
    "outputs": [],
    "source": [
     "from collections import defaultdict\n",
-    "import re\n",
-    "\n",
+    "import re"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
     "# Regex for non-terminal symbols in expansions\n",
     "RE_NONTERMINAL = re.compile(r'(<[^<> ]*>)')\n",
     "\n",
@@ -1099,8 +1133,15 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import random\n",
-    "\n",
+    "import random"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
     "# For this example, fix the random seed so that the produced output is deterministic\n",
     "random.seed(24)\n",
     "f = GrammarFuzzer(EXPR_GRAMMAR, max_nonterminals=3)\n",
@@ -1175,8 +1216,15 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import copy\n",
-    "\n",
+    "import copy"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
     "def transform_grammar(sample: str,\n",
     "                      grammar: Grammar) -> Grammar:\n",
     "    # copy of the grammar\n",
@@ -1403,8 +1451,15 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import math\n",
-    "\n",
+    "import math"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
     "def friendly_decision_tree(clf, feature_names,\n",
     "                           class_names = ['NO_BUG', 'BUG'],\n",
     "                           indent=0):\n",
@@ -1996,8 +2051,15 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from pathlib import Path\n",
-    "\n",
+    "from pathlib import Path"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
     "class TreePath:\n",
     "    def __init__(self, samplefile: Optional[Path], is_bug: bool, requirements: List[TreeRequirement]):\n",
     "        self.__sample = samplefile\n",
@@ -2271,8 +2333,15 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import string\n",
-    "\n",
+    "import string"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
     "SPEC_GRAMMAR: Grammar = {\n",
     "    \"<start>\":\n",
     "        [\"<req_list>\"],\n",
@@ -3218,7 +3287,16 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import inspect\n",
+    "import inspect"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "\n",
     "print(inspect.getsource(task_sqrt))"
    ]
   },