Fix the E20 errors.

test/normalizer_issue_files/E20.py

@@ -0,0 +1,53 @@
+#: E201:5
+spam( ham[1], {eggs: 2})
+#: E201:9
+spam(ham[ 1], {eggs: 2})
+#: E201:14
+spam(ham[1], { eggs: 2})
+
+# Okay
+spam(ham[1], {eggs: 2})
+
+
+#: E202:22
+spam(ham[1], {eggs: 2} )
+#: E202:21
+spam(ham[1], {eggs: 2 })
+#: E202:10
+spam(ham[1 ], {eggs: 2})
+# Okay
+spam(ham[1], {eggs: 2})
+
+result = func(
+    arg1='some value',
+    arg2='another value',
+)
+
+result = func(
+    arg1='some value',
+    arg2='another value'
+)
+
+result = [
+    item for item in items
+    if item > 5
+]
+
+#: E203:9
+if x == 4 :
+    print x, y
+    x, y = y, x
+if x == 4:
+    #: E203:12 E702:13
+    a = x, y ; x, y = y, x
+if x == 4:
+    print x, y
+    #: E203:12
+    x, y = y , x
+# Okay
+if x == 4:
+    print x, y
+    x, y = y, x
+a[b1, :] == a[b1, ...]
+a[b1, :1] == 3
+b = a[:, b1]