Auto-format the Python scripts

We have a few Python scripts which over the years ended up with a
variety of formatting.

This patch auto-formats them using `black -l 79` to make them more
uniform, and easier to read and write.

internal/tlsconst/generate-ciphers.py

@@ -13,32 +13,33 @@ URL = "https://www.iana.org/assignments/tls-parameters/tls-parameters-4.csv"
 
 
 def getCiphers():
-	req = urllib.request.urlopen(URL)
-	data = req.read().decode('utf-8')
+    req = urllib.request.urlopen(URL)
+    data = req.read().decode("utf-8")
 
-	ciphers = []
-	reader = csv.DictReader(data.splitlines())
-	for row in reader:
-		desc = row["Description"]
-		rawval = row["Value"]
+    ciphers = []
+    reader = csv.DictReader(data.splitlines())
+    for row in reader:
+        desc = row["Description"]
+        rawval = row["Value"]
 
-		# Just plain TLS values for now, to keep it simple.
-		if "-" in rawval or not desc.startswith("TLS"):
-			continue
+        # Just plain TLS values for now, to keep it simple.
+        if "-" in rawval or not desc.startswith("TLS"):
+            continue
 
-		rv1, rv2 = rawval.split(",")
-		rv1, rv2 = int(rv1, 16), int(rv2, 16)
+        rv1, rv2 = rawval.split(",")
+        rv1, rv2 = int(rv1, 16), int(rv2, 16)
 
-		val = "0x%02x%02x" % (rv1, rv2)
-		ciphers.append((val, desc))
+        val = "0x%02x%02x" % (rv1, rv2)
+        ciphers.append((val, desc))
 
-	return ciphers
+    return ciphers
 
 
 ciphers = getCiphers()
 
-out = open(sys.argv[1], 'w')
-out.write("""\
+out = open(sys.argv[1], "w")
+out.write(
+    """\
 package tlsconst
 
 // AUTOGENERATED - DO NOT EDIT
@@ -46,9 +47,10 @@ package tlsconst
 // This file was autogenerated by generate-ciphers.py.
 
 var cipherSuiteName = map[uint16]string{
-""")
+"""
+)
 
 for ver, desc in ciphers:
-	out.write('\t%s: "%s",\n' % (ver, desc))
+    out.write('\t%s: "%s",\n' % (ver, desc))
 
-out.write('}\n')
+out.write("}\n")