add E303 notebook test case

crates/ruff_linter/resources/test/fixtures/pycodestyle/E30.ipynb

@@ -107,6 +107,30 @@
     "# end"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# E303"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "\n",
+    "\n",
+    "\n",
+    "\n",
+    "def fn():\n",
+    "\tpass\n",
+    "# end"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,

crates/ruff_linter/src/rules/pycodestyle/snapshots/ruff_linter__rules__pycodestyle__tests__blank_lines_E303_notebook.snap

@@ -18,3 +18,22 @@ E30.ipynb:29:5: E303 [*] Too many blank lines (2)
 29 28 |     # arbitrary comment
 30 29 | 
 31 30 |     def inner():  # E306 not expected (pycodestyle detects E306)
+
+E30.ipynb:39:1: E303 [*] Too many blank lines (4)
+   |
+39 | def fn():
+   | ^^^ E303
+40 |     pass
+41 | # end
+   |
+   = help: Remove extraneous blank line(s)
+
+ℹ Safe fix
+34 34 | # E303
+35 35 | 
+36 36 | 
+37    |-
+38    |-
+39 37 | def fn():
+40 38 | 	pass
+41 39 | # end

crates/ruff_linter/src/rules/pycodestyle/snapshots/ruff_linter__rules__pycodestyle__tests__blank_lines_E304_notebook.snap

@@ -1,22 +1,22 @@
 ---
 source: crates/ruff_linter/src/rules/pycodestyle/mod.rs
 ---
-E30.ipynb:37:1: E304 [*] Blank lines found after function decorator (1)
+E30.ipynb:45:1: E304 [*] Blank lines found after function decorator (1)
    |
-35 | @decorator
-36 | 
-37 | def function():
+43 | @decorator
+44 | 
+45 | def function():
    | ^^^ E304
-38 |     pass
-39 | # end
+46 |     pass
+47 | # end
    |
    = help: Remove extraneous blank line(s)
 
 ℹ Safe fix
-33 33 | # end
-34 34 | # E304
-35 35 | @decorator
-36    |-
-37 36 | def function():
-38 37 |     pass
-39 38 | # end
+41 41 | # end
+42 42 | # E304
+43 43 | @decorator
+44    |-
+45 44 | def function():
+46 45 |     pass
+47 46 | # end

crates/ruff_linter/src/rules/pycodestyle/snapshots/ruff_linter__rules__pycodestyle__tests__blank_lines_E306_notebook.snap

@@ -1,22 +1,22 @@
 ---
 source: crates/ruff_linter/src/rules/pycodestyle/mod.rs
 ---
-E30.ipynb:52:5: E306 [*] Expected 1 blank line before a nested definition, found 0
+E30.ipynb:60:5: E306 [*] Expected 1 blank line before a nested definition, found 0
    |
-50 | def a():
-51 |     x = 1
-52 |     def b():
+58 | def a():
+59 |     x = 1
+60 |     def b():
    |     ^^^ E306
-53 |         pass
-54 | # end
+61 |         pass
+62 | # end
    |
    = help: Add missing blank line
 
 ℹ Safe fix
-49 49 | # E306:3:5
-50 50 | def a():
-51 51 |     x = 1
-   52 |+
-52 53 |     def b():
-53 54 |         pass
-54 55 | # end
+57 57 | # E306:3:5
+58 58 | def a():
+59 59 |     x = 1
+   60 |+
+60 61 |     def b():
+61 62 |         pass
+62 63 | # end